27981558

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{163}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 72501120

約数和(自身を除く): 44519562

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 27, 33, 34, 51, 54, 66, 99, 102, 153, 163, 187, 198, 289, 297, 306, 326, 374, 459, 489, 561, 578, 594, 867, 918, 978, 1122, 1467, 1683, 1734, 1793, 2601, 2771, 2934, 3179, 3366, 3586, 4401, 5049, 5202, 5379, 5542, 6358, 7803, 8313, 8802, 9537, 10098, 10758, 15606, 16137, 16626, 19074, 24939, 28611, 30481, 32274, 47107, 48411, 49878, 57222, 60962, 74817, 85833, 91443, 94214, 96822, 141321, 149634, 171666, 182886, 274329, 282642, 423963, 518177, 548658, 822987, 847926, 1036354, 1271889, 1554531, 1645974, 2543778, 3109062, 4663593, 9327186, 13990779, 27981558]

約数ペア:

[(1, 27981558), (2, 13990779), (3, 9327186), (6, 4663593), (9, 3109062), (11, 2543778), (17, 1645974), (18, 1554531), (22, 1271889), (27, 1036354), (33, 847926), (34, 822987), (51, 548658), (54, 518177), (66, 423963), (99, 282642), (102, 274329), (153, 182886), (163, 171666), (187, 149634), (198, 141321), (289, 96822), (297, 94214), (306, 91443), (326, 85833), (374, 74817), (459, 60962), (489, 57222), (561, 49878), (578, 48411), (594, 47107), (867, 32274), (918, 30481), (978, 28611), (1122, 24939), (1467, 19074), (1683, 16626), (1734, 16137), (1793, 15606), (2601, 10758), (2771, 10098), (2934, 9537), (3179, 8802), (3366, 8313), (3586, 7803), (4401, 6358), (5049, 5542), (5202, 5379)]