67911795

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1665

約数の個数: 72

約数和(自身を含む): 144228240

約数和(自身を除く): 76316445

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 105, 133, 147, 171, 245, 285, 315, 399, 441, 665, 735, 855, 931, 1197, 1621, 1995, 2205, 2793, 4655, 4863, 5985, 8105, 8379, 11347, 13965, 14589, 24315, 30799, 34041, 41895, 56735, 72945, 79429, 92397, 102123, 153995, 170205, 215593, 238287, 277191, 397145, 461985, 510615, 646779, 714861, 1077965, 1191435, 1385955, 1509151, 1940337, 3233895, 3574305, 4527453, 7545755, 9701685, 13582359, 22637265, 67911795]

約数ペア:

[(1, 67911795), (3, 22637265), (5, 13582359), (7, 9701685), (9, 7545755), (15, 4527453), (19, 3574305), (21, 3233895), (35, 1940337), (45, 1509151), (49, 1385955), (57, 1191435), (63, 1077965), (95, 714861), (105, 646779), (133, 510615), (147, 461985), (171, 397145), (245, 277191), (285, 238287), (315, 215593), (399, 170205), (441, 153995), (665, 102123), (735, 92397), (855, 79429), (931, 72945), (1197, 56735), (1621, 41895), (1995, 34041), (2205, 30799), (2793, 24315), (4655, 14589), (4863, 13965), (5985, 11347), (8105, 8379)]