28946253

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72547}}^1$

素因数の和:72576

約数の個数: 16

約数和(自身を含む): 46430720

約数和(自身を除く): 17484467

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 72547, 217641, 507829, 1378393, 1523487, 4135179, 9648751, 28946253]

約数ペア:

[(1, 28946253), (3, 9648751), (7, 4135179), (19, 1523487), (21, 1378393), (57, 507829), (133, 217641), (399, 72547)]