87779721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 127370880

約数和(自身を除く): 39591159

約数列:

[1, 3, 17, 51, 83, 89, 233, 249, 267, 699, 1411, 1513, 3961, 4233, 4539, 7387, 11883, 19339, 20737, 22161, 58017, 62211, 125579, 328763, 352529, 376737, 986289, 1057587, 1721171, 5163513, 29259907, 87779721]

約数ペア:

[(1, 87779721), (3, 29259907), (17, 5163513), (51, 1721171), (83, 1057587), (89, 986289), (233, 376737), (249, 352529), (267, 328763), (699, 125579), (1411, 62211), (1513, 58017), (3961, 22161), (4233, 20737), (4539, 19339), (7387, 11883)]