2721075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 5285376

約数和(自身を除く): 2564301

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 71, 73, 75, 105, 175, 213, 219, 355, 365, 497, 511, 525, 1065, 1095, 1491, 1533, 1775, 1825, 2485, 2555, 5183, 5325, 5475, 7455, 7665, 12425, 12775, 15549, 25915, 36281, 37275, 38325, 77745, 108843, 129575, 181405, 388725, 544215, 907025, 2721075]

約数ペア:

[(1, 2721075), (3, 907025), (5, 544215), (7, 388725), (15, 181405), (21, 129575), (25, 108843), (35, 77745), (71, 38325), (73, 37275), (75, 36281), (105, 25915), (175, 15549), (213, 12775), (219, 12425), (355, 7665), (365, 7455), (497, 5475), (511, 5325), (525, 5183), (1065, 2555), (1095, 2485), (1491, 1825), (1533, 1775)]