1320231015

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{123791}}^1$

素因数の和:123884

約数の個数: 32

約数和(自身を含む): 2376806400

約数和(自身を除く): 1056575385

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 395, 711, 1185, 2133, 3555, 10665, 123791, 371373, 618955, 1114119, 1856865, 3342357, 5570595, 9779489, 16711785, 29338467, 48897445, 88015401, 146692335, 264046203, 440077005, 1320231015]

約数ペア:

[(1, 1320231015), (3, 440077005), (5, 264046203), (9, 146692335), (15, 88015401), (27, 48897445), (45, 29338467), (79, 16711785), (135, 9779489), (237, 5570595), (395, 3342357), (711, 1856865), (1185, 1114119), (2133, 618955), (3555, 371373), (10665, 123791)]