163936731

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2617}}^1$

素因数の和:2803

約数の個数: 32

約数和(自身を含む): 264732160

約数和(自身を除く): 100795429

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 399, 471, 1099, 2617, 2983, 3297, 7851, 8949, 18319, 20881, 49723, 54957, 62643, 149169, 348061, 410869, 1044183, 1232607, 2876083, 7806511, 8628249, 23419533, 54645577, 163936731]

約数ペア:

[(1, 163936731), (3, 54645577), (7, 23419533), (19, 8628249), (21, 7806511), (57, 2876083), (133, 1232607), (157, 1044183), (399, 410869), (471, 348061), (1099, 149169), (2617, 62643), (2983, 54957), (3297, 49723), (7851, 20881), (8949, 18319)]