28716765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 61157376

約数和(自身を除く): 32440611

約数列:

[1, 3, 5, 7, 11, 15, 21, 23, 33, 35, 47, 55, 69, 77, 105, 115, 141, 161, 165, 231, 235, 253, 329, 345, 385, 483, 517, 529, 705, 759, 805, 987, 1081, 1155, 1265, 1551, 1587, 1645, 1771, 2415, 2585, 2645, 3243, 3619, 3703, 3795, 4935, 5313, 5405, 5819, 7567, 7755, 7935, 8855, 10857, 11109, 11891, 16215, 17457, 18095, 18515, 22701, 24863, 26565, 29095, 35673, 37835, 40733, 54285, 55545, 59455, 74589, 83237, 87285, 113505, 122199, 124315, 174041, 178365, 203665, 249711, 273493, 372945, 416185, 522123, 610995, 820479, 870205, 1248555, 1367465, 1914451, 2610615, 4102395, 5743353, 9572255, 28716765]

約数ペア:

[(1, 28716765), (3, 9572255), (5, 5743353), (7, 4102395), (11, 2610615), (15, 1914451), (21, 1367465), (23, 1248555), (33, 870205), (35, 820479), (47, 610995), (55, 522123), (69, 416185), (77, 372945), (105, 273493), (115, 249711), (141, 203665), (161, 178365), (165, 174041), (231, 124315), (235, 122199), (253, 113505), (329, 87285), (345, 83237), (385, 74589), (483, 59455), (517, 55545), (529, 54285), (705, 40733), (759, 37835), (805, 35673), (987, 29095), (1081, 26565), (1155, 24863), (1265, 22701), (1551, 18515), (1587, 18095), (1645, 17457), (1771, 16215), (2415, 11891), (2585, 11109), (2645, 10857), (3243, 8855), (3619, 7935), (3703, 7755), (3795, 7567), (4935, 5819), (5313, 5405)]