81065205

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 159168240

約数和(自身を除く): 78103035

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 89, 117, 135, 173, 195, 267, 351, 405, 445, 519, 585, 801, 865, 1053, 1157, 1335, 1557, 1755, 2249, 2403, 2595, 3471, 4005, 4671, 5265, 5785, 6747, 7209, 7785, 10413, 11245, 12015, 14013, 15397, 17355, 20241, 23355, 31239, 33735, 36045, 46191, 52065, 60723, 70065, 76985, 93717, 101205, 138573, 156195, 182169, 200161, 230955, 303615, 415719, 468585, 600483, 692865, 910845, 1000805, 1247157, 1801449, 2078595, 3002415, 5404347, 6235785, 9007245, 16213041, 27021735, 81065205]

約数ペア:

[(1, 81065205), (3, 27021735), (5, 16213041), (9, 9007245), (13, 6235785), (15, 5404347), (27, 3002415), (39, 2078595), (45, 1801449), (65, 1247157), (81, 1000805), (89, 910845), (117, 692865), (135, 600483), (173, 468585), (195, 415719), (267, 303615), (351, 230955), (405, 200161), (445, 182169), (519, 156195), (585, 138573), (801, 101205), (865, 93717), (1053, 76985), (1157, 70065), (1335, 60723), (1557, 52065), (1755, 46191), (2249, 36045), (2403, 33735), (2595, 31239), (3471, 23355), (4005, 20241), (4671, 17355), (5265, 15397), (5785, 14013), (6747, 12015), (7209, 11245), (7785, 10413)]