275891577

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 403323648

約数和(自身を除く): 127432071

約数列:

[1, 3, 13, 39, 103, 173, 309, 397, 519, 1191, 1339, 2249, 4017, 5161, 6747, 15483, 17819, 40891, 53457, 68681, 122673, 206043, 231647, 531583, 694941, 892853, 1594749, 2678559, 7074143, 21222429, 91963859, 275891577]

約数ペア:

[(1, 275891577), (3, 91963859), (13, 21222429), (39, 7074143), (103, 2678559), (173, 1594749), (309, 892853), (397, 694941), (519, 531583), (1191, 231647), (1339, 206043), (2249, 122673), (4017, 68681), (5161, 53457), (6747, 40891), (15483, 17819)]