67720185

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:895

約数の個数: 64

約数和(自身を含む): 132572160

約数和(自身を除く): 64851975

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 47, 65, 117, 135, 141, 195, 235, 351, 423, 585, 611, 705, 821, 1269, 1755, 1833, 2115, 2463, 3055, 4105, 5499, 6345, 7389, 9165, 10673, 12315, 16497, 22167, 27495, 32019, 36945, 38587, 53365, 82485, 96057, 110835, 115761, 160095, 192935, 288171, 347283, 480285, 501631, 578805, 1041849, 1440855, 1504893, 1736415, 2508155, 4514679, 5209245, 7524465, 13544037, 22573395, 67720185]

約数ペア:

[(1, 67720185), (3, 22573395), (5, 13544037), (9, 7524465), (13, 5209245), (15, 4514679), (27, 2508155), (39, 1736415), (45, 1504893), (47, 1440855), (65, 1041849), (117, 578805), (135, 501631), (141, 480285), (195, 347283), (235, 288171), (351, 192935), (423, 160095), (585, 115761), (611, 110835), (705, 96057), (821, 82485), (1269, 53365), (1755, 38587), (1833, 36945), (2115, 32019), (2463, 27495), (3055, 22167), (4105, 16497), (5499, 12315), (6345, 10673), (7389, 9165)]