27739075

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 43122240

約数和(自身を除く): 15383165

約数列:

[1, 5, 7, 13, 25, 35, 65, 89, 91, 137, 175, 325, 445, 455, 623, 685, 959, 1157, 1781, 2225, 2275, 3115, 3425, 4795, 5785, 8099, 8905, 12193, 12467, 15575, 23975, 28925, 40495, 44525, 60965, 62335, 85351, 158509, 202475, 304825, 311675, 426755, 792545, 1109563, 2133775, 3962725, 5547815, 27739075]

約数ペア:

[(1, 27739075), (5, 5547815), (7, 3962725), (13, 2133775), (25, 1109563), (35, 792545), (65, 426755), (89, 311675), (91, 304825), (137, 202475), (175, 158509), (325, 85351), (445, 62335), (455, 60965), (623, 44525), (685, 40495), (959, 28925), (1157, 23975), (1781, 15575), (2225, 12467), (2275, 12193), (3115, 8905), (3425, 8099), (4795, 5785)]