253575

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{23}}^1$

素因数の和:53

約数の個数: 54

約数和(自身を含む): 551304

約数和(自身を除く): 297729

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 25, 35, 45, 49, 63, 69, 75, 105, 115, 147, 161, 175, 207, 225, 245, 315, 345, 441, 483, 525, 575, 735, 805, 1035, 1127, 1225, 1449, 1575, 1725, 2205, 2415, 3381, 3675, 4025, 5175, 5635, 7245, 10143, 11025, 12075, 16905, 28175, 36225, 50715, 84525, 253575]

約数ペア:

[(1, 253575), (3, 84525), (5, 50715), (7, 36225), (9, 28175), (15, 16905), (21, 12075), (23, 11025), (25, 10143), (35, 7245), (45, 5635), (49, 5175), (63, 4025), (69, 3675), (75, 3381), (105, 2415), (115, 2205), (147, 1725), (161, 1575), (175, 1449), (207, 1225), (225, 1127), (245, 1035), (315, 805), (345, 735), (441, 575), (483, 525)]