221434479

素因数分解:

$3^6\times 7^2\times {\mathrm{6199}}^1$

素因数の和:6231

約数の個数: 42

約数和(自身を含む): 386266200

約数和(自身を除く): 164831721

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1323, 1701, 3969, 5103, 6199, 11907, 18597, 35721, 43393, 55791, 130179, 167373, 303751, 390537, 502119, 911253, 1171611, 1506357, 2733759, 3514833, 4519071, 8201277, 10544499, 24603831, 31633497, 73811493, 221434479]

約数ペア:

[(1, 221434479), (3, 73811493), (7, 31633497), (9, 24603831), (21, 10544499), (27, 8201277), (49, 4519071), (63, 3514833), (81, 2733759), (147, 1506357), (189, 1171611), (243, 911253), (441, 502119), (567, 390537), (729, 303751), (1323, 167373), (1701, 130179), (3969, 55791), (5103, 43393), (6199, 35721), (11907, 18597)]