80519895

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{77797}}^1$

素因数の和:77831

約数の個数: 24

約数和(自身を含む): 145637856

約数和(自身を除く): 65117961

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 77797, 233391, 388985, 700173, 1166955, 1789331, 3500865, 5367993, 8946655, 16103979, 26839965, 80519895]

約数ペア:

[(1, 80519895), (3, 26839965), (5, 16103979), (9, 8946655), (15, 5367993), (23, 3500865), (45, 1789331), (69, 1166955), (115, 700173), (207, 388985), (345, 233391), (1035, 77797)]