82128735

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:870

約数の個数: 80

約数和(自身を含む): 167096160

約数和(自身を除く): 84967425

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 81, 95, 117, 135, 171, 195, 247, 285, 351, 405, 513, 585, 741, 821, 855, 1053, 1235, 1539, 1755, 2223, 2463, 2565, 3705, 4105, 5265, 6669, 7389, 7695, 10673, 11115, 12315, 15599, 20007, 22167, 32019, 33345, 36945, 46797, 53365, 66501, 77995, 96057, 100035, 110835, 140391, 160095, 202787, 233985, 288171, 332505, 421173, 480285, 608361, 701955, 864513, 1013935, 1263519, 1440855, 1825083, 2105865, 3041805, 4322565, 5475249, 6317595, 9125415, 16425747, 27376245, 82128735]

約数ペア:

[(1, 82128735), (3, 27376245), (5, 16425747), (9, 9125415), (13, 6317595), (15, 5475249), (19, 4322565), (27, 3041805), (39, 2105865), (45, 1825083), (57, 1440855), (65, 1263519), (81, 1013935), (95, 864513), (117, 701955), (135, 608361), (171, 480285), (195, 421173), (247, 332505), (285, 288171), (351, 233985), (405, 202787), (513, 160095), (585, 140391), (741, 110835), (821, 100035), (855, 96057), (1053, 77995), (1235, 66501), (1539, 53365), (1755, 46797), (2223, 36945), (2463, 33345), (2565, 32019), (3705, 22167), (4105, 20007), (5265, 15599), (6669, 12315), (7389, 11115), (7695, 10673)]