61845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:65

約数の個数: 32

約数和(自身を含む): 122880

約数和(自身を除く): 61035

約数列:

[1, 3, 5, 7, 15, 19, 21, 31, 35, 57, 93, 95, 105, 133, 155, 217, 285, 399, 465, 589, 651, 665, 1085, 1767, 1995, 2945, 3255, 4123, 8835, 12369, 20615, 61845]

約数ペア:

[(1, 61845), (3, 20615), (5, 12369), (7, 8835), (15, 4123), (19, 3255), (21, 2945), (31, 1995), (35, 1767), (57, 1085), (93, 665), (95, 651), (105, 589), (133, 465), (155, 399), (217, 285)]