81194535

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 150543360

約数和(自身を除く): 69348825

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 71, 129, 135, 197, 213, 215, 355, 387, 591, 639, 645, 985, 1065, 1161, 1773, 1917, 1935, 2955, 3053, 3195, 5319, 5805, 8471, 8865, 9159, 9585, 13987, 15265, 25413, 26595, 27477, 41961, 42355, 45795, 69935, 76239, 82431, 125883, 127065, 137385, 209805, 228717, 377649, 381195, 412155, 601441, 629415, 1143585, 1804323, 1888245, 3007205, 5412969, 9021615, 16238907, 27064845, 81194535]

約数ペア:

[(1, 81194535), (3, 27064845), (5, 16238907), (9, 9021615), (15, 5412969), (27, 3007205), (43, 1888245), (45, 1804323), (71, 1143585), (129, 629415), (135, 601441), (197, 412155), (213, 381195), (215, 377649), (355, 228717), (387, 209805), (591, 137385), (639, 127065), (645, 125883), (985, 82431), (1065, 76239), (1161, 69935), (1773, 45795), (1917, 42355), (1935, 41961), (2955, 27477), (3053, 26595), (3195, 25413), (5319, 15265), (5805, 13987), (8471, 9585), (8865, 9159)]