28305358575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{287437}}^1$

素因数の和:287564

約数の個数: 48

約数和(自身を含む): 50897221536

約数和(自身を除く): 22591862961

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 101, 195, 303, 325, 505, 975, 1313, 1515, 2525, 3939, 6565, 7575, 19695, 32825, 98475, 287437, 862311, 1437185, 3736681, 4311555, 7185925, 11210043, 18683405, 21557775, 29031137, 56050215, 87093411, 93417025, 145155685, 280251075, 377404781, 435467055, 725778425, 1132214343, 1887023905, 2177335275, 5661071715, 9435119525, 28305358575]

約数ペア:

[(1, 28305358575), (3, 9435119525), (5, 5661071715), (13, 2177335275), (15, 1887023905), (25, 1132214343), (39, 725778425), (65, 435467055), (75, 377404781), (101, 280251075), (195, 145155685), (303, 93417025), (325, 87093411), (505, 56050215), (975, 29031137), (1313, 21557775), (1515, 18683405), (2525, 11210043), (3939, 7185925), (6565, 4311555), (7575, 3736681), (19695, 1437185), (32825, 862311), (98475, 287437)]