221488614

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 553512960

約数和(自身を除く): 332024346

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 31, 34, 43, 51, 54, 62, 86, 93, 102, 129, 153, 181, 186, 258, 279, 306, 362, 387, 459, 527, 543, 558, 731, 774, 837, 918, 1054, 1086, 1161, 1333, 1462, 1581, 1629, 1674, 2193, 2322, 2666, 3077, 3162, 3258, 3999, 4386, 4743, 4887, 5611, 6154, 6579, 7783, 7998, 9231, 9486, 9774, 11222, 11997, 13158, 14229, 15566, 16833, 18462, 19737, 22661, 23349, 23994, 27693, 28458, 33666, 35991, 39474, 45322, 46698, 50499, 55386, 67983, 70047, 71982, 83079, 95387, 100998, 132311, 135966, 140094, 151497, 166158, 190774, 203949, 210141, 241273, 264622, 286161, 302994, 396933, 407898, 420282, 482546, 572322, 611847, 723819, 793866, 858483, 1190799, 1223694, 1447638, 1716966, 2171457, 2381598, 2575449, 3572397, 4101641, 4342914, 5150898, 6514371, 7144794, 8203282, 12304923, 13028742, 24609846, 36914769, 73829538, 110744307, 221488614]

約数ペア:

[(1, 221488614), (2, 110744307), (3, 73829538), (6, 36914769), (9, 24609846), (17, 13028742), (18, 12304923), (27, 8203282), (31, 7144794), (34, 6514371), (43, 5150898), (51, 4342914), (54, 4101641), (62, 3572397), (86, 2575449), (93, 2381598), (102, 2171457), (129, 1716966), (153, 1447638), (181, 1223694), (186, 1190799), (258, 858483), (279, 793866), (306, 723819), (362, 611847), (387, 572322), (459, 482546), (527, 420282), (543, 407898), (558, 396933), (731, 302994), (774, 286161), (837, 264622), (918, 241273), (1054, 210141), (1086, 203949), (1161, 190774), (1333, 166158), (1462, 151497), (1581, 140094), (1629, 135966), (1674, 132311), (2193, 100998), (2322, 95387), (2666, 83079), (3077, 71982), (3162, 70047), (3258, 67983), (3999, 55386), (4386, 50499), (4743, 46698), (4887, 45322), (5611, 39474), (6154, 35991), (6579, 33666), (7783, 28458), (7998, 27693), (9231, 23994), (9486, 23349), (9774, 22661), (11222, 19737), (11997, 18462), (13158, 16833), (14229, 15566)]