72787029

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{829}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 115057920

約数和(自身を除く): 42270891

約数列:

[1, 3, 7, 21, 37, 111, 113, 259, 339, 777, 791, 829, 2373, 2487, 4181, 5803, 12543, 17409, 29267, 30673, 87801, 92019, 93677, 214711, 281031, 644133, 655739, 1967217, 3466049, 10398147, 24262343, 72787029]

約数ペア:

[(1, 72787029), (3, 24262343), (7, 10398147), (21, 3466049), (37, 1967217), (111, 655739), (113, 644133), (259, 281031), (339, 214711), (777, 93677), (791, 92019), (829, 87801), (2373, 30673), (2487, 29267), (4181, 17409), (5803, 12543)]