68377275

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 130262496

約数和(自身を除く): 61885221

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 73, 75, 115, 181, 207, 219, 225, 345, 365, 543, 575, 657, 905, 1035, 1095, 1629, 1679, 1725, 1825, 2715, 3285, 4163, 4525, 5037, 5175, 5475, 8145, 8395, 12489, 13213, 13575, 15111, 16425, 20815, 25185, 37467, 39639, 40725, 41975, 62445, 66065, 75555, 104075, 118917, 125925, 187335, 198195, 303899, 312225, 330325, 377775, 594585, 911697, 936675, 990975, 1519495, 2735091, 2972925, 4558485, 7597475, 13675455, 22792425, 68377275]

約数ペア:

[(1, 68377275), (3, 22792425), (5, 13675455), (9, 7597475), (15, 4558485), (23, 2972925), (25, 2735091), (45, 1519495), (69, 990975), (73, 936675), (75, 911697), (115, 594585), (181, 377775), (207, 330325), (219, 312225), (225, 303899), (345, 198195), (365, 187335), (543, 125925), (575, 118917), (657, 104075), (905, 75555), (1035, 66065), (1095, 62445), (1629, 41975), (1679, 40725), (1725, 39639), (1825, 37467), (2715, 25185), (3285, 20815), (4163, 16425), (4525, 15111), (5037, 13575), (5175, 13213), (5475, 12489), (8145, 8395)]