155560905

素因数分解:

$3^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2011}}^1$

素因数の和:2219

約数の個数: 40

約数和(自身を含む): 280456704

約数和(自身を除く): 124895799

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 191, 405, 573, 955, 1719, 2011, 2865, 5157, 6033, 8595, 10055, 15471, 18099, 25785, 30165, 54297, 77355, 90495, 162891, 271485, 384101, 814455, 1152303, 1920505, 3456909, 5761515, 10370727, 17284545, 31112181, 51853635, 155560905]

約数ペア:

[(1, 155560905), (3, 51853635), (5, 31112181), (9, 17284545), (15, 10370727), (27, 5761515), (45, 3456909), (81, 1920505), (135, 1152303), (191, 814455), (405, 384101), (573, 271485), (955, 162891), (1719, 90495), (2011, 77355), (2865, 54297), (5157, 30165), (6033, 25785), (8595, 18099), (10055, 15471)]