16661625

素因数分解:

$3^1\times 5^3\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 28000128

約数和(自身を除く): 11338503

約数列:

[1, 3, 5, 15, 25, 75, 125, 157, 283, 375, 471, 785, 849, 1415, 2355, 3925, 4245, 7075, 11775, 19625, 21225, 35375, 44431, 58875, 106125, 133293, 222155, 666465, 1110775, 3332325, 5553875, 16661625]

約数ペア:

[(1, 16661625), (3, 5553875), (5, 3332325), (15, 1110775), (25, 666465), (75, 222155), (125, 133293), (157, 106125), (283, 58875), (375, 44431), (471, 35375), (785, 21225), (849, 19625), (1415, 11775), (2355, 7075), (3925, 4245)]