31507290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20593}}^1$

素因数の和:20623

約数の個数: 48

約数和(自身を含む): 86741928

約数和(自身を除く): 55234638

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, 20593, 41186, 61779, 102965, 123558, 185337, 205930, 308895, 350081, 370674, 617790, 700162, 926685, 1050243, 1750405, 1853370, 2100486, 3150729, 3500810, 5251215, 6301458, 10502430, 15753645, 31507290]

約数ペア:

[(1, 31507290), (2, 15753645), (3, 10502430), (5, 6301458), (6, 5251215), (9, 3500810), (10, 3150729), (15, 2100486), (17, 1853370), (18, 1750405), (30, 1050243), (34, 926685), (45, 700162), (51, 617790), (85, 370674), (90, 350081), (102, 308895), (153, 205930), (170, 185337), (255, 123558), (306, 102965), (510, 61779), (765, 41186), (1530, 20593)]