78844725

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{6871}}^1$

素因数の和:6907

約数の個数: 48

約数和(自身を含む): 153383040

約数和(自身を除く): 74538315

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 2295, 3825, 6871, 11475, 20613, 34355, 61839, 103065, 116807, 171775, 185517, 309195, 350421, 515325, 584035, 927585, 1051263, 1545975, 1752105, 2920175, 3153789, 4637925, 5256315, 8760525, 15768945, 26281575, 78844725]

約数ペア:

[(1, 78844725), (3, 26281575), (5, 15768945), (9, 8760525), (15, 5256315), (17, 4637925), (25, 3153789), (27, 2920175), (45, 1752105), (51, 1545975), (75, 1051263), (85, 927585), (135, 584035), (153, 515325), (225, 350421), (255, 309195), (425, 185517), (459, 171775), (675, 116807), (765, 103065), (1275, 61839), (2295, 34355), (3825, 20613), (6871, 11475)]