73123965

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2543}}^1$

素因数の和:2631

約数の個数: 40

約数和(自身を含む): 132979968

約数和(自身を除く): 59856003

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 2543, 3195, 5751, 7629, 9585, 12715, 22887, 28755, 38145, 68661, 114435, 180553, 205983, 343305, 541659, 902765, 1029915, 1624977, 2708295, 4874931, 8124885, 14624793, 24374655, 73123965]

約数ペア:

[(1, 73123965), (3, 24374655), (5, 14624793), (9, 8124885), (15, 4874931), (27, 2708295), (45, 1624977), (71, 1029915), (81, 902765), (135, 541659), (213, 343305), (355, 205983), (405, 180553), (639, 114435), (1065, 68661), (1917, 38145), (2543, 28755), (3195, 22887), (5751, 12715), (7629, 9585)]