64855287

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 110423040

約数和(自身を除く): 45567753

約数列:

[1, 3, 7, 9, 21, 63, 79, 83, 157, 237, 249, 471, 553, 581, 711, 747, 1099, 1413, 1659, 1743, 3297, 4977, 5229, 6557, 9891, 12403, 13031, 19671, 37209, 39093, 45899, 59013, 86821, 91217, 111627, 117279, 137697, 260463, 273651, 413091, 781389, 820953, 1029449, 3088347, 7206143, 9265041, 21618429, 64855287]

約数ペア:

[(1, 64855287), (3, 21618429), (7, 9265041), (9, 7206143), (21, 3088347), (63, 1029449), (79, 820953), (83, 781389), (157, 413091), (237, 273651), (249, 260463), (471, 137697), (553, 117279), (581, 111627), (711, 91217), (747, 86821), (1099, 59013), (1413, 45899), (1659, 39093), (1743, 37209), (3297, 19671), (4977, 13031), (5229, 12403), (6557, 9891)]