217415175

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{99961}}^1$

素因数の和:100003

約数の個数: 24

約数和(自身を含む): 371858640

約数和(自身を除く): 154443465

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 99961, 299883, 499805, 1499415, 2499025, 2898869, 7497075, 8696607, 14494345, 43483035, 72471725, 217415175]

約数ペア:

[(1, 217415175), (3, 72471725), (5, 43483035), (15, 14494345), (25, 8696607), (29, 7497075), (75, 2898869), (87, 2499025), (145, 1499415), (435, 499805), (725, 299883), (2175, 99961)]