7965156975

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^2\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:605

約数の個数: 72

約数和(自身を含む): 13594867968

約数和(自身を除く): 5629710993

約数列:

[1, 3, 5, 15, 25, 47, 75, 131, 141, 235, 367, 393, 655, 705, 1101, 1175, 1835, 1965, 2209, 3275, 3525, 5505, 6157, 6627, 9175, 9825, 11045, 17249, 18471, 27525, 30785, 33135, 48077, 51747, 55225, 86245, 92355, 144231, 153925, 165675, 240385, 258735, 289379, 431225, 461775, 721155, 810703, 868137, 1201925, 1293675, 1446895, 2259619, 2432109, 3605775, 4053515, 4340685, 6778857, 7234475, 11298095, 12160545, 20267575, 21703425, 33894285, 56490475, 60802725, 106202093, 169471425, 318606279, 531010465, 1593031395, 2655052325, 7965156975]

約数ペア:

[(1, 7965156975), (3, 2655052325), (5, 1593031395), (15, 531010465), (25, 318606279), (47, 169471425), (75, 106202093), (131, 60802725), (141, 56490475), (235, 33894285), (367, 21703425), (393, 20267575), (655, 12160545), (705, 11298095), (1101, 7234475), (1175, 6778857), (1835, 4340685), (1965, 4053515), (2209, 3605775), (3275, 2432109), (3525, 2259619), (5505, 1446895), (6157, 1293675), (6627, 1201925), (9175, 868137), (9825, 810703), (11045, 721155), (17249, 461775), (18471, 431225), (27525, 289379), (30785, 258735), (33135, 240385), (48077, 165675), (51747, 153925), (55225, 144231), (86245, 92355)]