39907275

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 69040224

約数和(自身を除く): 29132949

約数列:

[1, 3, 5, 15, 25, 37, 73, 75, 111, 185, 197, 219, 365, 555, 591, 925, 985, 1095, 1825, 2701, 2775, 2955, 4925, 5475, 7289, 8103, 13505, 14381, 14775, 21867, 36445, 40515, 43143, 67525, 71905, 109335, 182225, 202575, 215715, 359525, 532097, 546675, 1078575, 1596291, 2660485, 7981455, 13302425, 39907275]

約数ペア:

[(1, 39907275), (3, 13302425), (5, 7981455), (15, 2660485), (25, 1596291), (37, 1078575), (73, 546675), (75, 532097), (111, 359525), (185, 215715), (197, 202575), (219, 182225), (365, 109335), (555, 71905), (591, 67525), (925, 43143), (985, 40515), (1095, 36445), (1825, 21867), (2701, 14775), (2775, 14381), (2955, 13505), (4925, 8103), (5475, 7289)]