15166221

素因数分解:

$3^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1801}}^1$

素因数の和:2212

約数の個数: 16

約数和(自身を含む): 23180928

約数和(自身を除く): 8014707

約数列:

[1, 3, 7, 21, 401, 1203, 1801, 2807, 5403, 8421, 12607, 37821, 722201, 2166603, 5055407, 15166221]

約数ペア:

[(1, 15166221), (3, 5055407), (7, 2166603), (21, 722201), (401, 37821), (1203, 12607), (1801, 8421), (2807, 5403)]