31420965

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2689}}^1$

素因数の和:2757

約数の個数: 32

約数和(自身を含む): 54230400

約数和(自身を除く): 22809435

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 2337, 2689, 3895, 8067, 11685, 13445, 40335, 51091, 110249, 153273, 255455, 330747, 551245, 766365, 1653735, 2094731, 6284193, 10473655, 31420965]

約数ペア:

[(1, 31420965), (3, 10473655), (5, 6284193), (15, 2094731), (19, 1653735), (41, 766365), (57, 551245), (95, 330747), (123, 255455), (205, 153273), (285, 110249), (615, 51091), (779, 40335), (2337, 13445), (2689, 11685), (3895, 8067)]