28362915

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:721

約数の個数: 72

約数和(自身を含む): 60287760

約数和(自身を除く): 31924845

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, 677, 735, 855, 931, 1197, 1995, 2031, 2205, 2793, 3385, 4655, 4739, 5985, 6093, 8379, 10155, 12863, 13965, 14217, 23695, 30465, 33173, 38589, 41895, 42651, 64315, 71085, 90041, 99519, 115767, 165865, 192945, 213255, 270123, 298557, 450205, 497595, 578835, 630287, 810369, 1350615, 1492785, 1890861, 3151435, 4051845, 5672583, 9454305, 28362915]

約数ペア:

[(1, 28362915), (3, 9454305), (5, 5672583), (7, 4051845), (9, 3151435), (15, 1890861), (19, 1492785), (21, 1350615), (35, 810369), (45, 630287), (49, 578835), (57, 497595), (63, 450205), (95, 298557), (105, 270123), (133, 213255), (147, 192945), (171, 165865), (245, 115767), (285, 99519), (315, 90041), (399, 71085), (441, 64315), (665, 42651), (677, 41895), (735, 38589), (855, 33173), (931, 30465), (1197, 23695), (1995, 14217), (2031, 13965), (2205, 12863), (2793, 10155), (3385, 8379), (4655, 6093), (4739, 5985)]