201215475

素因数分解:

$3^3\times 5^2\times {\mathrm{307}}^1\times {\mathrm{971}}^1$

素因数の和:1297

約数の個数: 48

約数和(自身を含む): 371226240

約数和(自身を除く): 170010765

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 307, 675, 921, 971, 1535, 2763, 2913, 4605, 4855, 7675, 8289, 8739, 13815, 14565, 23025, 24275, 26217, 41445, 43695, 69075, 72825, 131085, 207225, 218475, 298097, 655425, 894291, 1490485, 2682873, 4471455, 7452425, 8048619, 13414365, 22357275, 40243095, 67071825, 201215475]

約数ペア:

[(1, 201215475), (3, 67071825), (5, 40243095), (9, 22357275), (15, 13414365), (25, 8048619), (27, 7452425), (45, 4471455), (75, 2682873), (135, 1490485), (225, 894291), (307, 655425), (675, 298097), (921, 218475), (971, 207225), (1535, 131085), (2763, 72825), (2913, 69075), (4605, 43695), (4855, 41445), (7675, 26217), (8289, 24275), (8739, 23025), (13815, 14565)]