1315275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:116

約数の個数: 48

約数和(自身を含む): 2499840

約数和(自身を除く): 1184565

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 71, 75, 95, 195, 213, 247, 285, 325, 355, 475, 741, 923, 975, 1065, 1235, 1349, 1425, 1775, 2769, 3705, 4047, 4615, 5325, 6175, 6745, 13845, 17537, 18525, 20235, 23075, 33725, 52611, 69225, 87685, 101175, 263055, 438425, 1315275]

約数ペア:

[(1, 1315275), (3, 438425), (5, 263055), (13, 101175), (15, 87685), (19, 69225), (25, 52611), (39, 33725), (57, 23075), (65, 20235), (71, 18525), (75, 17537), (95, 13845), (195, 6745), (213, 6175), (247, 5325), (285, 4615), (325, 4047), (355, 3705), (475, 2769), (741, 1775), (923, 1425), (975, 1349), (1065, 1235)]