180075

素因数分解:

$3^1\times 5^2\times 7^4$

素因数の和:41

約数の個数: 30

約数和(自身を含む): 347324

約数和(自身を除く): 167249

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 343, 525, 735, 1029, 1225, 1715, 2401, 3675, 5145, 7203, 8575, 12005, 25725, 36015, 60025, 180075]

約数ペア:

[(1, 180075), (3, 60025), (5, 36015), (7, 25725), (15, 12005), (21, 8575), (25, 7203), (35, 5145), (49, 3675), (75, 2401), (105, 1715), (147, 1225), (175, 1029), (245, 735), (343, 525)]