90876639

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{541}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 146383360

約数和(自身を除く): 55506721

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 421, 541, 1263, 1623, 2947, 3787, 7999, 8841, 10279, 11361, 23997, 30837, 55993, 71953, 167979, 215859, 227761, 683283, 1594327, 4327459, 4782981, 12982377, 30292213, 90876639]

約数ペア:

[(1, 90876639), (3, 30292213), (7, 12982377), (19, 4782981), (21, 4327459), (57, 1594327), (133, 683283), (399, 227761), (421, 215859), (541, 167979), (1263, 71953), (1623, 55993), (2947, 30837), (3787, 23997), (7999, 11361), (8841, 10279)]