12751515

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{5783}}^1$

素因数の和:5808

約数の個数: 36

約数和(自身を含む): 25715664

約数和(自身を除く): 12964149

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 5783, 17349, 28915, 40481, 52047, 86745, 121443, 202405, 260235, 283367, 364329, 607215, 850101, 1416835, 1821645, 2550303, 4250505, 12751515]

約数ペア:

[(1, 12751515), (3, 4250505), (5, 2550303), (7, 1821645), (9, 1416835), (15, 850101), (21, 607215), (35, 364329), (45, 283367), (49, 260235), (63, 202405), (105, 121443), (147, 86745), (245, 52047), (315, 40481), (441, 28915), (735, 17349), (2205, 5783)]