221702145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{6379}}^1$

素因数の和:6725

約数の個数: 32

約数和(自身を含む): 406686720

約数和(自身を除く): 184984575

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 331, 993, 1655, 2317, 4965, 6379, 6951, 11585, 19137, 31895, 34755, 44653, 95685, 133959, 223265, 669795, 2111449, 6334347, 10557245, 14780143, 31671735, 44340429, 73900715, 221702145]

約数ペア:

[(1, 221702145), (3, 73900715), (5, 44340429), (7, 31671735), (15, 14780143), (21, 10557245), (35, 6334347), (105, 2111449), (331, 669795), (993, 223265), (1655, 133959), (2317, 95685), (4965, 44653), (6379, 34755), (6951, 31895), (11585, 19137)]