646952145

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{541}}^1\times {\mathrm{1627}}^1$

素因数の和:2190

約数の個数: 48

約数和(自身を含む): 1207090368

約数和(自身を除く): 560138223

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 541, 735, 1623, 1627, 2705, 3787, 4881, 8115, 8135, 11361, 11389, 18935, 24405, 26509, 34167, 56805, 56945, 79527, 79723, 132545, 170835, 239169, 397635, 398615, 880207, 1195845, 2640621, 4401035, 6161449, 13203105, 18484347, 30807245, 43130143, 92421735, 129390429, 215650715, 646952145]

約数ペア:

[(1, 646952145), (3, 215650715), (5, 129390429), (7, 92421735), (15, 43130143), (21, 30807245), (35, 18484347), (49, 13203105), (105, 6161449), (147, 4401035), (245, 2640621), (541, 1195845), (735, 880207), (1623, 398615), (1627, 397635), (2705, 239169), (3787, 170835), (4881, 132545), (8115, 79723), (8135, 79527), (11361, 56945), (11389, 56805), (18935, 34167), (24405, 26509)]