218361855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 382952448

約数和(自身を除く): 164590593

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 107, 151, 159, 255, 265, 321, 453, 535, 755, 795, 901, 1605, 1819, 2265, 2567, 2703, 4505, 5457, 5671, 7701, 8003, 9095, 12835, 13515, 16157, 17013, 24009, 27285, 28355, 38505, 40015, 48471, 80785, 85065, 96407, 120045, 136051, 242355, 274669, 289221, 408153, 482035, 680255, 824007, 856321, 1373345, 1446105, 2040765, 2568963, 4120035, 4281605, 12844815, 14557457, 43672371, 72787285, 218361855]

約数ペア:

[(1, 218361855), (3, 72787285), (5, 43672371), (15, 14557457), (17, 12844815), (51, 4281605), (53, 4120035), (85, 2568963), (107, 2040765), (151, 1446105), (159, 1373345), (255, 856321), (265, 824007), (321, 680255), (453, 482035), (535, 408153), (755, 289221), (795, 274669), (901, 242355), (1605, 136051), (1819, 120045), (2265, 96407), (2567, 85065), (2703, 80785), (4505, 48471), (5457, 40015), (5671, 38505), (7701, 28355), (8003, 27285), (9095, 24009), (12835, 17013), (13515, 16157)]