221647065

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{16547}}^1$

素因数の和:16621

約数の個数: 32

約数和(自身を含む): 381265920

約数和(自身を除く): 159618855

約数列:

[1, 3, 5, 15, 19, 47, 57, 95, 141, 235, 285, 705, 893, 2679, 4465, 13395, 16547, 49641, 82735, 248205, 314393, 777709, 943179, 1571965, 2333127, 3888545, 4715895, 11665635, 14776471, 44329413, 73882355, 221647065]

約数ペア:

[(1, 221647065), (3, 73882355), (5, 44329413), (15, 14776471), (19, 11665635), (47, 4715895), (57, 3888545), (95, 2333127), (141, 1571965), (235, 943179), (285, 777709), (705, 314393), (893, 248205), (2679, 82735), (4465, 49641), (13395, 16547)]