17989695

素因数分解:

$3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1093

約数の個数: 40

約数和(自身を含む): 33030096

約数和(自身を除く): 15040401

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 387, 405, 645, 1033, 1161, 1935, 3099, 3483, 5165, 5805, 9297, 15495, 17415, 27891, 44419, 46485, 83673, 133257, 139455, 222095, 399771, 418365, 666285, 1199313, 1998855, 3597939, 5996565, 17989695]

約数ペア:

[(1, 17989695), (3, 5996565), (5, 3597939), (9, 1998855), (15, 1199313), (27, 666285), (43, 418365), (45, 399771), (81, 222095), (129, 139455), (135, 133257), (215, 83673), (387, 46485), (405, 44419), (645, 27891), (1033, 17415), (1161, 15495), (1935, 9297), (3099, 5805), (3483, 5165)]