81524919

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 127006720

約数和(自身を除く): 45481801

約数列:

[1, 3, 7, 21, 79, 157, 237, 313, 471, 553, 939, 1099, 1659, 2191, 3297, 6573, 12403, 24727, 37209, 49141, 74181, 86821, 147423, 173089, 260463, 343987, 519267, 1031961, 3882139, 11646417, 27174973, 81524919]

約数ペア:

[(1, 81524919), (3, 27174973), (7, 11646417), (21, 3882139), (79, 1031961), (157, 519267), (237, 343987), (313, 260463), (471, 173089), (553, 147423), (939, 86821), (1099, 74181), (1659, 49141), (2191, 37209), (3297, 24727), (6573, 12403)]