211071315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1531}}^1$

素因数の和:1660

約数の個数: 64

約数和(自身を含む): 420037632

約数和(自身を除く): 208966317

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 101, 105, 195, 273, 303, 455, 505, 707, 1313, 1365, 1515, 1531, 2121, 3535, 3939, 4593, 6565, 7655, 9191, 10605, 10717, 19695, 19903, 22965, 27573, 32151, 45955, 53585, 59709, 99515, 137865, 139321, 154631, 160755, 298545, 417963, 463893, 696605, 773155, 1082417, 2010203, 2089815, 2319465, 3247251, 5412085, 6030609, 10051015, 14071421, 16236255, 30153045, 42214263, 70357105, 211071315]

約数ペア:

[(1, 211071315), (3, 70357105), (5, 42214263), (7, 30153045), (13, 16236255), (15, 14071421), (21, 10051015), (35, 6030609), (39, 5412085), (65, 3247251), (91, 2319465), (101, 2089815), (105, 2010203), (195, 1082417), (273, 773155), (303, 696605), (455, 463893), (505, 417963), (707, 298545), (1313, 160755), (1365, 154631), (1515, 139321), (1531, 137865), (2121, 99515), (3535, 59709), (3939, 53585), (4593, 45955), (6565, 32151), (7655, 27573), (9191, 22965), (10605, 19903), (10717, 19695)]