210947895

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12113}}^1$

素因数の和:12173

約数の個数: 40

約数和(自身を含む): 386969616

約数和(自身を除く): 176021721

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1161, 1935, 3483, 5805, 12113, 17415, 36339, 60565, 109017, 181695, 327051, 520859, 545085, 981153, 1562577, 1635255, 2604295, 4687731, 4905765, 7812885, 14063193, 23438655, 42189579, 70315965, 210947895]

約数ペア:

[(1, 210947895), (3, 70315965), (5, 42189579), (9, 23438655), (15, 14063193), (27, 7812885), (43, 4905765), (45, 4687731), (81, 2604295), (129, 1635255), (135, 1562577), (215, 981153), (387, 545085), (405, 520859), (645, 327051), (1161, 181695), (1935, 109017), (3483, 60565), (5805, 36339), (12113, 17415)]