18648615

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 30801600

約数和(自身を除く): 12152985

約数列:

[1, 3, 5, 15, 61, 89, 183, 229, 267, 305, 445, 687, 915, 1145, 1335, 3435, 5429, 13969, 16287, 20381, 27145, 41907, 61143, 69845, 81435, 101905, 209535, 305715, 1243241, 3729723, 6216205, 18648615]

約数ペア:

[(1, 18648615), (3, 6216205), (5, 3729723), (15, 1243241), (61, 305715), (89, 209535), (183, 101905), (229, 81435), (267, 69845), (305, 61143), (445, 41907), (687, 27145), (915, 20381), (1145, 16287), (1335, 13969), (3435, 5429)]