81472365

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3571}}^1$

素因数の和:3611

約数の個数: 48

約数和(自身を含む): 156882240

約数和(自身を除く): 75409875

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 169, 195, 351, 507, 585, 845, 1521, 1755, 2535, 3571, 4563, 7605, 10713, 17855, 22815, 32139, 46423, 53565, 96417, 139269, 160695, 232115, 417807, 482085, 603499, 696345, 1253421, 1810497, 2089035, 3017495, 5431491, 6267105, 9052485, 16294473, 27157455, 81472365]

約数ペア:

[(1, 81472365), (3, 27157455), (5, 16294473), (9, 9052485), (13, 6267105), (15, 5431491), (27, 3017495), (39, 2089035), (45, 1810497), (65, 1253421), (117, 696345), (135, 603499), (169, 482085), (195, 417807), (351, 232115), (507, 160695), (585, 139269), (845, 96417), (1521, 53565), (1755, 46423), (2535, 32139), (3571, 22815), (4563, 17855), (7605, 10713)]