1231567155

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{300749}}^1$

素因数の和:300780

約数の個数: 48

約数和(自身を含む): 2627352000

約数和(自身を除く): 1395784845

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 300749, 902247, 1503745, 2105243, 2706741, 3909737, 4511235, 6315729, 10526215, 11729211, 13533705, 18947187, 19548685, 27368159, 31578645, 35187633, 58646055, 82104477, 94735935, 136840795, 175938165, 246313431, 410522385, 1231567155]

約数ペア:

[(1, 1231567155), (3, 410522385), (5, 246313431), (7, 175938165), (9, 136840795), (13, 94735935), (15, 82104477), (21, 58646055), (35, 35187633), (39, 31578645), (45, 27368159), (63, 19548685), (65, 18947187), (91, 13533705), (105, 11729211), (117, 10526215), (195, 6315729), (273, 4511235), (315, 3909737), (455, 2706741), (585, 2105243), (819, 1503745), (1365, 902247), (4095, 300749)]