248242245

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{15959}}^1$

素因数の和:16045

約数の個数: 32

約数和(自身を含む): 427472640

約数和(自身を除く): 179230395

約数列:

[1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 915, 1037, 3111, 5185, 15555, 15959, 47877, 79795, 239385, 271303, 813909, 973499, 1356515, 2920497, 4069545, 4867495, 14602485, 16549483, 49648449, 82747415, 248242245]

約数ペア:

[(1, 248242245), (3, 82747415), (5, 49648449), (15, 16549483), (17, 14602485), (51, 4867495), (61, 4069545), (85, 2920497), (183, 1356515), (255, 973499), (305, 813909), (915, 271303), (1037, 239385), (3111, 79795), (5185, 47877), (15555, 15959)]