71490945

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1103}}^1$

素因数の和:1289

約数の個数: 32

約数和(自身を含む): 119232000

約数和(自身を除く): 47741055

約数列:

[1, 3, 5, 15, 29, 87, 145, 149, 435, 447, 745, 1103, 2235, 3309, 4321, 5515, 12963, 16545, 21605, 31987, 64815, 95961, 159935, 164347, 479805, 493041, 821735, 2465205, 4766063, 14298189, 23830315, 71490945]

約数ペア:

[(1, 71490945), (3, 23830315), (5, 14298189), (15, 4766063), (29, 2465205), (87, 821735), (145, 493041), (149, 479805), (435, 164347), (447, 159935), (745, 95961), (1103, 64815), (2235, 31987), (3309, 21605), (4321, 16545), (5515, 12963)]