647399805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{32233}}^1$

素因数の和:32357

約数の個数: 32

約数和(自身を含む): 1126384896

約数和(自身を除く): 478985091

約数列:

[1, 3, 5, 13, 15, 39, 65, 103, 195, 309, 515, 1339, 1545, 4017, 6695, 20085, 32233, 96699, 161165, 419029, 483495, 1257087, 2095145, 3319999, 6285435, 9959997, 16599995, 43159987, 49799985, 129479961, 215799935, 647399805]

約数ペア:

[(1, 647399805), (3, 215799935), (5, 129479961), (13, 49799985), (15, 43159987), (39, 16599995), (65, 9959997), (103, 6285435), (195, 3319999), (309, 2095145), (515, 1257087), (1339, 483495), (1545, 419029), (4017, 161165), (6695, 96699), (20085, 32233)]