3847025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 6249600

約数和(自身を除く): 2402575

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 89, 91, 95, 133, 175, 247, 325, 445, 455, 475, 623, 665, 1157, 1235, 1691, 1729, 2225, 2275, 3115, 3325, 5785, 6175, 8099, 8455, 8645, 11837, 15575, 21983, 28925, 40495, 42275, 43225, 59185, 109915, 153881, 202475, 295925, 549575, 769405, 3847025]

約数ペア:

[(1, 3847025), (5, 769405), (7, 549575), (13, 295925), (19, 202475), (25, 153881), (35, 109915), (65, 59185), (89, 43225), (91, 42275), (95, 40495), (133, 28925), (175, 21983), (247, 15575), (325, 11837), (445, 8645), (455, 8455), (475, 8099), (623, 6175), (665, 5785), (1157, 3325), (1235, 3115), (1691, 2275), (1729, 2225)]