6720645

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 11289600

約数和(自身を除く): 4568955

約数列:

[1, 3, 5, 15, 31, 93, 97, 149, 155, 291, 447, 465, 485, 745, 1455, 2235, 3007, 4619, 9021, 13857, 14453, 15035, 23095, 43359, 45105, 69285, 72265, 216795, 448043, 1344129, 2240215, 6720645]

約数ペア:

[(1, 6720645), (3, 2240215), (5, 1344129), (15, 448043), (31, 216795), (93, 72265), (97, 69285), (149, 45105), (155, 43359), (291, 23095), (447, 15035), (465, 14453), (485, 13857), (745, 9021), (1455, 4619), (2235, 3007)]