291277623

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{17491}}^1$

素因数の和:17575

約数の個数: 32

約数和(自身を含む): 485857792

約数和(自身を除く): 194580169

約数列:

[1, 3, 7, 13, 21, 39, 61, 91, 183, 273, 427, 793, 1281, 2379, 5551, 16653, 17491, 52473, 122437, 227383, 367311, 682149, 1066951, 1591681, 3200853, 4775043, 7468657, 13870363, 22405971, 41611089, 97092541, 291277623]

約数ペア:

[(1, 291277623), (3, 97092541), (7, 41611089), (13, 22405971), (21, 13870363), (39, 7468657), (61, 4775043), (91, 3200853), (183, 1591681), (273, 1066951), (427, 682149), (793, 367311), (1281, 227383), (2379, 122437), (5551, 52473), (16653, 17491)]