30913975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 40033152

約数和(自身を除く): 9119177

約数列:

[1, 5, 25, 31, 113, 155, 353, 565, 775, 1765, 2825, 3503, 8825, 10943, 17515, 39889, 54715, 87575, 199445, 273575, 997225, 1236559, 6182795, 30913975]

約数ペア:

[(1, 30913975), (5, 6182795), (25, 1236559), (31, 997225), (113, 273575), (155, 199445), (353, 87575), (565, 54715), (775, 39889), (1765, 17515), (2825, 10943), (3503, 8825)]