219201315

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{19991}}^1$

素因数の和:20059

約数の個数: 32

約数和(自身を含む): 380007936

約数和(自身を除く): 160806621

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 2193, 3655, 10965, 19991, 59973, 99955, 299865, 339847, 859613, 1019541, 1699235, 2578839, 4298065, 5097705, 12894195, 14613421, 43840263, 73067105, 219201315]

約数ペア:

[(1, 219201315), (3, 73067105), (5, 43840263), (15, 14613421), (17, 12894195), (43, 5097705), (51, 4298065), (85, 2578839), (129, 1699235), (215, 1019541), (255, 859613), (645, 339847), (731, 299865), (2193, 99955), (3655, 59973), (10965, 19991)]