2421825

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{659}}^1$

素因数の和:686

約数の個数: 36

約数和(自身を含む): 4664880

約数和(自身を除く): 2243055

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 659, 735, 1225, 1977, 3295, 3675, 4613, 9885, 13839, 16475, 23065, 32291, 49425, 69195, 96873, 115325, 161455, 345975, 484365, 807275, 2421825]

約数ペア:

[(1, 2421825), (3, 807275), (5, 484365), (7, 345975), (15, 161455), (21, 115325), (25, 96873), (35, 69195), (49, 49425), (75, 32291), (105, 23065), (147, 16475), (175, 13839), (245, 9885), (525, 4613), (659, 3675), (735, 3295), (1225, 1977)]