31103475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 61662720

約数和(自身を除く): 30559245

約数列:

[1, 3, 5, 13, 15, 19, 23, 25, 39, 57, 65, 69, 73, 75, 95, 115, 195, 219, 247, 285, 299, 325, 345, 365, 437, 475, 575, 741, 897, 949, 975, 1095, 1235, 1311, 1387, 1425, 1495, 1679, 1725, 1825, 2185, 2847, 3705, 4161, 4485, 4745, 5037, 5475, 5681, 6175, 6555, 6935, 7475, 8395, 10925, 14235, 17043, 18031, 18525, 20805, 21827, 22425, 23725, 25185, 28405, 31901, 32775, 34675, 41975, 54093, 65481, 71175, 85215, 90155, 95703, 104025, 109135, 125925, 142025, 159505, 270465, 327405, 414713, 426075, 450775, 478515, 545675, 797525, 1244139, 1352325, 1637025, 2073565, 2392575, 6220695, 10367825, 31103475]

約数ペア:

[(1, 31103475), (3, 10367825), (5, 6220695), (13, 2392575), (15, 2073565), (19, 1637025), (23, 1352325), (25, 1244139), (39, 797525), (57, 545675), (65, 478515), (69, 450775), (73, 426075), (75, 414713), (95, 327405), (115, 270465), (195, 159505), (219, 142025), (247, 125925), (285, 109135), (299, 104025), (325, 95703), (345, 90155), (365, 85215), (437, 71175), (475, 65481), (575, 54093), (741, 41975), (897, 34675), (949, 32775), (975, 31901), (1095, 28405), (1235, 25185), (1311, 23725), (1387, 22425), (1425, 21827), (1495, 20805), (1679, 18525), (1725, 18031), (1825, 17043), (2185, 14235), (2847, 10925), (3705, 8395), (4161, 7475), (4485, 6935), (4745, 6555), (5037, 6175), (5475, 5681)]