338045253

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{1879}}^1$

素因数の和:2561

約数の個数: 32

約数和(自身を含む): 555878400

約数和(自身を除く): 217833147

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 659, 1879, 1977, 4613, 5637, 8567, 13153, 13839, 24427, 25701, 39459, 59969, 73281, 170989, 179907, 512967, 1238261, 3714783, 8667827, 16097393, 26003481, 48292179, 112681751, 338045253]

約数ペア:

[(1, 338045253), (3, 112681751), (7, 48292179), (13, 26003481), (21, 16097393), (39, 8667827), (91, 3714783), (273, 1238261), (659, 512967), (1879, 179907), (1977, 170989), (4613, 73281), (5637, 59969), (8567, 39459), (13153, 25701), (13839, 24427)]