155005875

素因数分解:

$3^2\times 5^3\times {\mathrm{211}}^1\times {\mathrm{653}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 281178144

約数和(自身を除く): 126172269

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 211, 225, 375, 633, 653, 1055, 1125, 1899, 1959, 3165, 3265, 5275, 5877, 9495, 9795, 15825, 16325, 26375, 29385, 47475, 48975, 79125, 81625, 137783, 146925, 237375, 244875, 413349, 688915, 734625, 1240047, 2066745, 3444575, 6200235, 10333725, 17222875, 31001175, 51668625, 155005875]

約数ペア:

[(1, 155005875), (3, 51668625), (5, 31001175), (9, 17222875), (15, 10333725), (25, 6200235), (45, 3444575), (75, 2066745), (125, 1240047), (211, 734625), (225, 688915), (375, 413349), (633, 244875), (653, 237375), (1055, 146925), (1125, 137783), (1899, 81625), (1959, 79125), (3165, 48975), (3265, 47475), (5275, 29385), (5877, 26375), (9495, 16325), (9795, 15825)]