27973075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 40684896

約数和(自身を除く): 12711821

約数列:

[1, 5, 13, 17, 25, 61, 65, 83, 85, 221, 305, 325, 415, 425, 793, 1037, 1079, 1105, 1411, 1525, 2075, 3965, 5063, 5185, 5395, 5525, 7055, 13481, 18343, 19825, 25315, 25925, 26975, 35275, 65819, 67405, 86071, 91715, 126575, 329095, 337025, 430355, 458575, 1118923, 1645475, 2151775, 5594615, 27973075]

約数ペア:

[(1, 27973075), (5, 5594615), (13, 2151775), (17, 1645475), (25, 1118923), (61, 458575), (65, 430355), (83, 337025), (85, 329095), (221, 126575), (305, 91715), (325, 86071), (415, 67405), (425, 65819), (793, 35275), (1037, 26975), (1079, 25925), (1105, 25315), (1411, 19825), (1525, 18343), (2075, 13481), (3965, 7055), (5063, 5525), (5185, 5395)]