2151157575

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{5683}}^1$

素因数の和:5813

約数の個数: 72

約数和(自身を含む): 4178149248

約数和(自身を除く): 2026991673

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 103, 105, 147, 175, 245, 309, 515, 525, 721, 735, 1225, 1545, 2163, 2575, 3605, 3675, 5047, 5683, 7725, 10815, 15141, 17049, 18025, 25235, 28415, 39781, 54075, 75705, 85245, 119343, 126175, 142075, 198905, 278467, 378525, 426225, 585349, 596715, 835401, 994525, 1392335, 1756047, 2926745, 2983575, 4097443, 4177005, 6961675, 8780235, 12292329, 14633725, 20487215, 20885025, 28682101, 43901175, 61461645, 86046303, 102436075, 143410505, 307308225, 430231515, 717052525, 2151157575]

約数ペア:

[(1, 2151157575), (3, 717052525), (5, 430231515), (7, 307308225), (15, 143410505), (21, 102436075), (25, 86046303), (35, 61461645), (49, 43901175), (75, 28682101), (103, 20885025), (105, 20487215), (147, 14633725), (175, 12292329), (245, 8780235), (309, 6961675), (515, 4177005), (525, 4097443), (721, 2983575), (735, 2926745), (1225, 1756047), (1545, 1392335), (2163, 994525), (2575, 835401), (3605, 596715), (3675, 585349), (5047, 426225), (5683, 378525), (7725, 278467), (10815, 198905), (15141, 142075), (17049, 126175), (18025, 119343), (25235, 85245), (28415, 75705), (39781, 54075)]