91290591

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 162201600

約数和(自身を除く): 70911009

約数列:

[1, 3, 7, 9, 21, 27, 43, 47, 63, 129, 141, 189, 239, 301, 329, 387, 423, 717, 903, 987, 1161, 1269, 1673, 2021, 2151, 2709, 2961, 5019, 6063, 6453, 8127, 8883, 10277, 11233, 14147, 15057, 18189, 30831, 33699, 42441, 45171, 54567, 71939, 78631, 92493, 101097, 127323, 215817, 235893, 277479, 303291, 381969, 483019, 647451, 707679, 1449057, 1942353, 2123037, 3381133, 4347171, 10143399, 13041513, 30430197, 91290591]

約数ペア:

[(1, 91290591), (3, 30430197), (7, 13041513), (9, 10143399), (21, 4347171), (27, 3381133), (43, 2123037), (47, 1942353), (63, 1449057), (129, 707679), (141, 647451), (189, 483019), (239, 381969), (301, 303291), (329, 277479), (387, 235893), (423, 215817), (717, 127323), (903, 101097), (987, 92493), (1161, 78631), (1269, 71939), (1673, 54567), (2021, 45171), (2151, 42441), (2709, 33699), (2961, 30831), (5019, 18189), (6063, 15057), (6453, 14147), (8127, 11233), (8883, 10277)]