71997885

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17977}}^1$

素因数の和:18077

約数の個数: 24

約数和(自身を含む): 126205560

約数和(自身を除く): 54207675

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 17977, 53931, 89885, 161793, 269655, 808965, 1599953, 4799859, 7999765, 14399577, 23999295, 71997885]

約数ペア:

[(1, 71997885), (3, 23999295), (5, 14399577), (9, 7999765), (15, 4799859), (45, 1599953), (89, 808965), (267, 269655), (445, 161793), (801, 89885), (1335, 53931), (4005, 17977)]