16509975

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 30212352

約数和(自身を除く): 13702377

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 255, 345, 391, 425, 563, 575, 1173, 1275, 1689, 1725, 1955, 2815, 5865, 8445, 9571, 9775, 12949, 14075, 28713, 29325, 38847, 42225, 47855, 64745, 143565, 194235, 220133, 239275, 323725, 660399, 717825, 971175, 1100665, 3301995, 5503325, 16509975]

約数ペア:

[(1, 16509975), (3, 5503325), (5, 3301995), (15, 1100665), (17, 971175), (23, 717825), (25, 660399), (51, 323725), (69, 239275), (75, 220133), (85, 194235), (115, 143565), (255, 64745), (345, 47855), (391, 42225), (425, 38847), (563, 29325), (575, 28713), (1173, 14075), (1275, 12949), (1689, 9775), (1725, 9571), (1955, 8445), (2815, 5865)]