25101375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 47523840

約数和(自身を除く): 22422465

約数列:

[1, 3, 5, 13, 15, 19, 25, 39, 57, 65, 75, 95, 125, 195, 247, 271, 285, 325, 375, 475, 741, 813, 975, 1235, 1355, 1425, 1625, 2375, 3523, 3705, 4065, 4875, 5149, 6175, 6775, 7125, 10569, 15447, 17615, 18525, 20325, 25745, 30875, 33875, 52845, 66937, 77235, 88075, 92625, 101625, 128725, 200811, 264225, 334685, 386175, 440375, 643625, 1004055, 1321125, 1673425, 1930875, 5020275, 8367125, 25101375]

約数ペア:

[(1, 25101375), (3, 8367125), (5, 5020275), (13, 1930875), (15, 1673425), (19, 1321125), (25, 1004055), (39, 643625), (57, 440375), (65, 386175), (75, 334685), (95, 264225), (125, 200811), (195, 128725), (247, 101625), (271, 92625), (285, 88075), (325, 77235), (375, 66937), (475, 52845), (741, 33875), (813, 30875), (975, 25745), (1235, 20325), (1355, 18525), (1425, 17615), (1625, 15447), (2375, 10569), (3523, 7125), (3705, 6775), (4065, 6175), (4875, 5149)]