13025775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 25228544

約数和(自身を除く): 12202769

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 129, 175, 215, 301, 525, 577, 645, 903, 1075, 1505, 1731, 2885, 3225, 4039, 4515, 7525, 8655, 12117, 14425, 20195, 22575, 24811, 43275, 60585, 74433, 100975, 124055, 173677, 302925, 372165, 521031, 620275, 868385, 1860825, 2605155, 4341925, 13025775]

約数ペア:

[(1, 13025775), (3, 4341925), (5, 2605155), (7, 1860825), (15, 868385), (21, 620275), (25, 521031), (35, 372165), (43, 302925), (75, 173677), (105, 124055), (129, 100975), (175, 74433), (215, 60585), (301, 43275), (525, 24811), (577, 22575), (645, 20195), (903, 14425), (1075, 12117), (1505, 8655), (1731, 7525), (2885, 4515), (3225, 4039)]