31100310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20327}}^1$

素因数の和:20357

約数の個数: 48

約数和(自身を含む): 85621536

約数和(自身を除く): 54521226

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 20327, 40654, 60981, 101635, 121962, 182943, 203270, 304905, 345559, 365886, 609810, 691118, 914715, 1036677, 1727795, 1829430, 2073354, 3110031, 3455590, 5183385, 6220062, 10366770, 15550155, 31100310]

約数ペア:

[(1, 31100310), (2, 15550155), (3, 10366770), (5, 6220062), (6, 5183385), (9, 3455590), (10, 3110031), (15, 2073354), (17, 1829430), (18, 1727795), (30, 1036677), (34, 914715), (45, 691118), (51, 609810), (85, 365886), (90, 345559), (102, 304905), (153, 203270), (170, 182943), (255, 121962), (306, 101635), (510, 60981), (765, 40654), (1530, 20327)]