16178253

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3119}}^1$

素因数の和:3161

約数の個数: 32

約数和(自身を含む): 27955200

約数和(自身を除く): 11776947

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 3119, 5187, 9357, 21833, 40547, 59261, 65499, 121641, 177783, 283829, 414827, 770393, 851487, 1244481, 2311179, 5392751, 16178253]

約数ペア:

[(1, 16178253), (3, 5392751), (7, 2311179), (13, 1244481), (19, 851487), (21, 770393), (39, 414827), (57, 283829), (91, 177783), (133, 121641), (247, 65499), (273, 59261), (399, 40547), (741, 21833), (1729, 9357), (3119, 5187)]