144305

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:69

約数の個数: 24

約数和(自身を含む): 218880

約数和(自身を除く): 74575

約数列:

[1, 5, 7, 19, 31, 35, 49, 95, 133, 155, 217, 245, 589, 665, 931, 1085, 1519, 2945, 4123, 4655, 7595, 20615, 28861, 144305]

約数ペア:

[(1, 144305), (5, 28861), (7, 20615), (19, 7595), (31, 4655), (35, 4123), (49, 2945), (95, 1519), (133, 1085), (155, 931), (217, 665), (245, 589)]