72250353

素因数分解:

$3^3\times 7^2\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 126020160

約数和(自身を除く): 53769807

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 97, 147, 189, 291, 441, 563, 679, 873, 1323, 1689, 2037, 2619, 3941, 4753, 5067, 6111, 11823, 14259, 15201, 18333, 27587, 35469, 42777, 54611, 82761, 106407, 128331, 163833, 248283, 382277, 491499, 744849, 1146831, 1474497, 2675939, 3440493, 8027817, 10321479, 24083451, 72250353]

約数ペア:

[(1, 72250353), (3, 24083451), (7, 10321479), (9, 8027817), (21, 3440493), (27, 2675939), (49, 1474497), (63, 1146831), (97, 744849), (147, 491499), (189, 382277), (291, 248283), (441, 163833), (563, 128331), (679, 106407), (873, 82761), (1323, 54611), (1689, 42777), (2037, 35469), (2619, 27587), (3941, 18333), (4753, 15201), (5067, 14259), (6111, 11823)]