540225

素因数分解:

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

素因数の和:44

約数の個数: 45

約数和(自身を含む): 1128803

約数和(自身を除く): 588578

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 49, 63, 75, 105, 147, 175, 225, 245, 315, 343, 441, 525, 735, 1029, 1225, 1575, 1715, 2205, 2401, 3087, 3675, 5145, 7203, 8575, 11025, 12005, 15435, 21609, 25725, 36015, 60025, 77175, 108045, 180075, 540225]

約数ペア:

[(1, 540225), (3, 180075), (5, 108045), (7, 77175), (9, 60025), (15, 36015), (21, 25725), (25, 21609), (35, 15435), (45, 12005), (49, 11025), (63, 8575), (75, 7203), (105, 5145), (147, 3675), (175, 3087), (225, 2401), (245, 2205), (315, 1715), (343, 1575), (441, 1225), (525, 1029)]