61173765

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{331}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 112109760

約数和(自身を除く): 50935995

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 331, 333, 555, 993, 999, 1369, 1655, 1665, 2979, 4107, 4965, 4995, 6845, 8937, 12247, 12321, 14895, 20535, 36741, 36963, 44685, 61235, 61605, 110223, 183705, 184815, 330669, 453139, 551115, 1359417, 1653345, 2265695, 4078251, 6797085, 12234753, 20391255, 61173765]

約数ペア:

[(1, 61173765), (3, 20391255), (5, 12234753), (9, 6797085), (15, 4078251), (27, 2265695), (37, 1653345), (45, 1359417), (111, 551115), (135, 453139), (185, 330669), (331, 184815), (333, 183705), (555, 110223), (993, 61605), (999, 61235), (1369, 44685), (1655, 36963), (1665, 36741), (2979, 20535), (4107, 14895), (4965, 12321), (4995, 12247), (6845, 8937)]