31691517

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2383}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 51265536

約数和(自身を除く): 19574019

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 143, 341, 403, 429, 1023, 1209, 2383, 4433, 7149, 13299, 26213, 30979, 73873, 78639, 92937, 221619, 340769, 812603, 960349, 1022307, 2437809, 2881047, 10563839, 31691517]

約数ペア:

[(1, 31691517), (3, 10563839), (11, 2881047), (13, 2437809), (31, 1022307), (33, 960349), (39, 812603), (93, 340769), (143, 221619), (341, 92937), (403, 78639), (429, 73873), (1023, 30979), (1209, 26213), (2383, 13299), (4433, 7149)]