204156729

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{170557}}^1$

素因数の和:170589

約数の個数: 24

約数和(自身を含む): 354760640

約数和(自身を除く): 150603911

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 170557, 511671, 1193899, 1535013, 3240583, 3581697, 9721749, 10745091, 22684081, 29165247, 68052243, 204156729]

約数ペア:

[(1, 204156729), (3, 68052243), (7, 29165247), (9, 22684081), (19, 10745091), (21, 9721749), (57, 3581697), (63, 3240583), (133, 1535013), (171, 1193899), (399, 511671), (1197, 170557)]