31310175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1889}}^1$

素因数の和:1932

約数の個数: 48

約数和(自身を含む): 59058720

約数和(自身を除く): 27748545

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 195, 221, 255, 325, 425, 663, 975, 1105, 1275, 1889, 3315, 5525, 5667, 9445, 16575, 24557, 28335, 32113, 47225, 73671, 96339, 122785, 141675, 160565, 368355, 417469, 481695, 613925, 802825, 1252407, 1841775, 2087345, 2408475, 6262035, 10436725, 31310175]

約数ペア:

[(1, 31310175), (3, 10436725), (5, 6262035), (13, 2408475), (15, 2087345), (17, 1841775), (25, 1252407), (39, 802825), (51, 613925), (65, 481695), (75, 417469), (85, 368355), (195, 160565), (221, 141675), (255, 122785), (325, 96339), (425, 73671), (663, 47225), (975, 32113), (1105, 28335), (1275, 24557), (1889, 16575), (3315, 9445), (5525, 5667)]