165005253

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137849}}^1$

素因数の和:137881

約数の個数: 24

約数和(自身を含む): 286728000

約数和(自身を除く): 121722747

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 137849, 413547, 964943, 1240641, 2619131, 2894829, 7857393, 8684487, 18333917, 23572179, 55001751, 165005253]

約数ペア:

[(1, 165005253), (3, 55001751), (7, 23572179), (9, 18333917), (19, 8684487), (21, 7857393), (57, 2894829), (63, 2619131), (133, 1240641), (171, 964943), (399, 413547), (1197, 137849)]