47218221

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:295

約数の個数: 40

約数和(自身を含む): 73413120

約数和(自身を除く): 26194899

約数列:

[1, 3, 9, 27, 47, 79, 81, 141, 157, 237, 423, 471, 711, 1269, 1413, 2133, 3713, 3807, 4239, 6399, 7379, 11139, 12403, 12717, 22137, 33417, 37209, 66411, 100251, 111627, 199233, 300753, 334881, 582941, 597699, 1004643, 1748823, 5246469, 15739407, 47218221]

約数ペア:

[(1, 47218221), (3, 15739407), (9, 5246469), (27, 1748823), (47, 1004643), (79, 597699), (81, 582941), (141, 334881), (157, 300753), (237, 199233), (423, 111627), (471, 100251), (711, 66411), (1269, 37209), (1413, 33417), (2133, 22137), (3713, 12717), (3807, 12403), (4239, 11139), (6399, 7379)]