12891015

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 25038720

約数和(自身を除く): 12147705

約数列:

[1, 3, 5, 9, 15, 17, 27, 41, 45, 51, 85, 123, 135, 137, 153, 205, 255, 369, 411, 459, 615, 685, 697, 765, 1107, 1233, 1845, 2055, 2091, 2295, 2329, 3485, 3699, 5535, 5617, 6165, 6273, 6987, 10455, 11645, 16851, 18495, 18819, 20961, 28085, 31365, 34935, 50553, 62883, 84255, 94095, 95489, 104805, 151659, 252765, 286467, 314415, 477445, 758295, 859401, 1432335, 2578203, 4297005, 12891015]

約数ペア:

[(1, 12891015), (3, 4297005), (5, 2578203), (9, 1432335), (15, 859401), (17, 758295), (27, 477445), (41, 314415), (45, 286467), (51, 252765), (85, 151659), (123, 104805), (135, 95489), (137, 94095), (153, 84255), (205, 62883), (255, 50553), (369, 34935), (411, 31365), (459, 28085), (615, 20961), (685, 18819), (697, 18495), (765, 16851), (1107, 11645), (1233, 10455), (1845, 6987), (2055, 6273), (2091, 6165), (2295, 5617), (2329, 5535), (3485, 3699)]