12985455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 26173440

約数和(自身を除く): 13187985

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 35, 57, 69, 95, 105, 115, 133, 161, 283, 285, 345, 399, 437, 483, 665, 805, 849, 1311, 1415, 1981, 1995, 2185, 2415, 3059, 4245, 5377, 5943, 6509, 6555, 9177, 9905, 15295, 16131, 19527, 26885, 29715, 32545, 37639, 45563, 45885, 80655, 97635, 112917, 123671, 136689, 188195, 227815, 371013, 564585, 618355, 683445, 865697, 1855065, 2597091, 4328485, 12985455]

約数ペア:

[(1, 12985455), (3, 4328485), (5, 2597091), (7, 1855065), (15, 865697), (19, 683445), (21, 618355), (23, 564585), (35, 371013), (57, 227815), (69, 188195), (95, 136689), (105, 123671), (115, 112917), (133, 97635), (161, 80655), (283, 45885), (285, 45563), (345, 37639), (399, 32545), (437, 29715), (483, 26885), (665, 19527), (805, 16131), (849, 15295), (1311, 9905), (1415, 9177), (1981, 6555), (1995, 6509), (2185, 5943), (2415, 5377), (3059, 4245)]