87187947

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^2$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 150341376

約数和(自身を除く): 63153429

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 101, 111, 231, 259, 303, 407, 707, 777, 1111, 1221, 2121, 2849, 3333, 3737, 7777, 8547, 10201, 11211, 23331, 26159, 30603, 41107, 71407, 78477, 112211, 123321, 214221, 287749, 336633, 377437, 785477, 863247, 1132311, 2356431, 2642059, 4151807, 7926177, 12455421, 29062649, 87187947]

約数ペア:

[(1, 87187947), (3, 29062649), (7, 12455421), (11, 7926177), (21, 4151807), (33, 2642059), (37, 2356431), (77, 1132311), (101, 863247), (111, 785477), (231, 377437), (259, 336633), (303, 287749), (407, 214221), (707, 123321), (777, 112211), (1111, 78477), (1221, 71407), (2121, 41107), (2849, 30603), (3333, 26159), (3737, 23331), (7777, 11211), (8547, 10201)]