81941238

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 180978720

約数和(自身を除く): 99037482

約数列:

[1, 2, 3, 6, 9, 18, 103, 193, 206, 229, 309, 386, 458, 579, 618, 687, 927, 1158, 1374, 1737, 1854, 2061, 3474, 4122, 19879, 23587, 39758, 44197, 47174, 59637, 70761, 88394, 119274, 132591, 141522, 178911, 212283, 265182, 357822, 397773, 424566, 795546, 4552291, 9104582, 13656873, 27313746, 40970619, 81941238]

約数ペア:

[(1, 81941238), (2, 40970619), (3, 27313746), (6, 13656873), (9, 9104582), (18, 4552291), (103, 795546), (193, 424566), (206, 397773), (229, 357822), (309, 265182), (386, 212283), (458, 178911), (579, 141522), (618, 132591), (687, 119274), (927, 88394), (1158, 70761), (1374, 59637), (1737, 47174), (1854, 44197), (2061, 39758), (3474, 23587), (4122, 19879)]