30881175

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1667}}^1$

素因数の和:1712

約数の個数: 48

約数和(自身を含む): 57912960

約数和(自身を除く): 27031785

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 195, 247, 285, 325, 475, 741, 975, 1235, 1425, 1667, 3705, 5001, 6175, 8335, 18525, 21671, 25005, 31673, 41675, 65013, 95019, 108355, 125025, 158365, 325065, 411749, 475095, 541775, 791825, 1235247, 1625325, 2058745, 2375475, 6176235, 10293725, 30881175]

約数ペア:

[(1, 30881175), (3, 10293725), (5, 6176235), (13, 2375475), (15, 2058745), (19, 1625325), (25, 1235247), (39, 791825), (57, 541775), (65, 475095), (75, 411749), (95, 325065), (195, 158365), (247, 125025), (285, 108355), (325, 95019), (475, 65013), (741, 41675), (975, 31673), (1235, 25005), (1425, 21671), (1667, 18525), (3705, 8335), (5001, 6175)]