72405249

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 113777664

約数和(自身を除く): 41372415

約数列:

[1, 3, 7, 21, 43, 129, 181, 301, 443, 543, 903, 1267, 1329, 3101, 3801, 7783, 9303, 19049, 23349, 54481, 57147, 80183, 133343, 163443, 240549, 400029, 561281, 1683843, 3447869, 10343607, 24135083, 72405249]

約数ペア:

[(1, 72405249), (3, 24135083), (7, 10343607), (21, 3447869), (43, 1683843), (129, 561281), (181, 400029), (301, 240549), (443, 163443), (543, 133343), (903, 80183), (1267, 57147), (1329, 54481), (3101, 23349), (3801, 19049), (7783, 9303)]