28472607

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 43623360

約数和(自身を除く): 15150753

約数列:

[1, 3, 9, 27, 53, 101, 159, 197, 303, 477, 591, 909, 1431, 1773, 2727, 5319, 5353, 10441, 16059, 19897, 31323, 48177, 59691, 93969, 144531, 179073, 281907, 537219, 1054541, 3163623, 9490869, 28472607]

約数ペア:

[(1, 28472607), (3, 9490869), (9, 3163623), (27, 1054541), (53, 537219), (101, 281907), (159, 179073), (197, 144531), (303, 93969), (477, 59691), (591, 48177), (909, 31323), (1431, 19897), (1773, 16059), (2727, 10441), (5319, 5353)]