218982015

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:398

約数の個数: 128

約数和(自身を含む): 483563520

約数和(自身を除く): 264581505

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 43, 45, 51, 63, 85, 105, 119, 129, 135, 153, 189, 215, 255, 301, 315, 317, 357, 387, 459, 595, 645, 731, 765, 903, 945, 951, 1071, 1161, 1505, 1585, 1785, 1935, 2193, 2219, 2295, 2709, 2853, 3213, 3655, 4515, 4755, 5117, 5355, 5389, 5805, 6579, 6657, 8127, 8559, 10965, 11095, 13545, 13631, 14265, 15351, 16065, 16167, 19737, 19971, 25585, 26945, 32895, 33285, 37723, 40635, 40893, 42795, 46053, 48501, 59913, 68155, 76755, 80835, 95417, 98685, 99855, 113169, 122679, 138159, 145503, 188615, 204465, 230265, 231727, 242505, 286251, 299565, 339507, 368037, 477085, 565845, 613395, 690795, 695181, 727515, 858753, 1018521, 1158635, 1431255, 1622089, 1697535, 1840185, 2085543, 2576259, 3475905, 4293765, 4866267, 5092605, 6256629, 8110445, 10427715, 12881295, 14598801, 24331335, 31283145, 43796403, 72994005, 218982015]

約数ペア:

[(1, 218982015), (3, 72994005), (5, 43796403), (7, 31283145), (9, 24331335), (15, 14598801), (17, 12881295), (21, 10427715), (27, 8110445), (35, 6256629), (43, 5092605), (45, 4866267), (51, 4293765), (63, 3475905), (85, 2576259), (105, 2085543), (119, 1840185), (129, 1697535), (135, 1622089), (153, 1431255), (189, 1158635), (215, 1018521), (255, 858753), (301, 727515), (315, 695181), (317, 690795), (357, 613395), (387, 565845), (459, 477085), (595, 368037), (645, 339507), (731, 299565), (765, 286251), (903, 242505), (945, 231727), (951, 230265), (1071, 204465), (1161, 188615), (1505, 145503), (1585, 138159), (1785, 122679), (1935, 113169), (2193, 99855), (2219, 98685), (2295, 95417), (2709, 80835), (2853, 76755), (3213, 68155), (3655, 59913), (4515, 48501), (4755, 46053), (5117, 42795), (5355, 40893), (5389, 40635), (5805, 37723), (6579, 33285), (6657, 32895), (8127, 26945), (8559, 25585), (10965, 19971), (11095, 19737), (13545, 16167), (13631, 16065), (14265, 15351)]