12580725

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 21998592

約数和(自身を除く): 9417867

約数列:

[1, 3, 5, 15, 25, 43, 47, 75, 83, 129, 141, 215, 235, 249, 415, 645, 705, 1075, 1175, 1245, 2021, 2075, 3225, 3525, 3569, 3901, 6063, 6225, 10105, 10707, 11703, 17845, 19505, 30315, 50525, 53535, 58515, 89225, 97525, 151575, 167743, 267675, 292575, 503229, 838715, 2516145, 4193575, 12580725]

約数ペア:

[(1, 12580725), (3, 4193575), (5, 2516145), (15, 838715), (25, 503229), (43, 292575), (47, 267675), (75, 167743), (83, 151575), (129, 97525), (141, 89225), (215, 58515), (235, 53535), (249, 50525), (415, 30315), (645, 19505), (705, 17845), (1075, 11703), (1175, 10707), (1245, 10105), (2021, 6225), (2075, 6063), (3225, 3901), (3525, 3569)]