68388975

素因数分解:

$3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1517

約数の個数: 48

約数和(自身を含む): 127491840

約数和(自身を除く): 59102865

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 135, 213, 225, 355, 639, 675, 1065, 1427, 1775, 1917, 3195, 4281, 5325, 7135, 9585, 12843, 15975, 21405, 35675, 38529, 47925, 64215, 101317, 107025, 192645, 303951, 321075, 506585, 911853, 963225, 1519755, 2532925, 2735559, 4559265, 7598775, 13677795, 22796325, 68388975]

約数ペア:

[(1, 68388975), (3, 22796325), (5, 13677795), (9, 7598775), (15, 4559265), (25, 2735559), (27, 2532925), (45, 1519755), (71, 963225), (75, 911853), (135, 506585), (213, 321075), (225, 303951), (355, 192645), (639, 107025), (675, 101317), (1065, 64215), (1427, 47925), (1775, 38529), (1917, 35675), (3195, 21405), (4281, 15975), (5325, 12843), (7135, 9585)]