151221255

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{1039}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 250798080

約数和(自身を除く): 99576825

約数列:

[1, 3, 5, 15, 31, 93, 155, 313, 465, 939, 1039, 1565, 3117, 4695, 5195, 9703, 15585, 29109, 32209, 48515, 96627, 145545, 161045, 325207, 483135, 975621, 1626035, 4878105, 10081417, 30244251, 50407085, 151221255]

約数ペア:

[(1, 151221255), (3, 50407085), (5, 30244251), (15, 10081417), (31, 4878105), (93, 1626035), (155, 975621), (313, 483135), (465, 325207), (939, 161045), (1039, 145545), (1565, 96627), (3117, 48515), (4695, 32209), (5195, 29109), (9703, 15585)]