2019901185

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{17791}}^1$

素因数の和:17863

約数の個数: 48

約数和(自身を含む): 3719239680

約数和(自身を除く): 1699338495

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 841, 1305, 2523, 3915, 4205, 7569, 12615, 17791, 22707, 37845, 53373, 88955, 113535, 160119, 266865, 480357, 515939, 800595, 1547817, 2401785, 2579695, 4643451, 7739085, 13930353, 14962231, 23217255, 44886693, 69651765, 74811155, 134660079, 224433465, 403980237, 673300395, 2019901185]

約数ペア:

[(1, 2019901185), (3, 673300395), (5, 403980237), (9, 224433465), (15, 134660079), (27, 74811155), (29, 69651765), (45, 44886693), (87, 23217255), (135, 14962231), (145, 13930353), (261, 7739085), (435, 4643451), (783, 2579695), (841, 2401785), (1305, 1547817), (2523, 800595), (3915, 515939), (4205, 480357), (7569, 266865), (12615, 160119), (17791, 113535), (22707, 88955), (37845, 53373)]