12918555

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{433}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 26248320

約数和(自身を除く): 13329765

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 85, 117, 135, 153, 195, 221, 255, 351, 433, 459, 585, 663, 765, 1105, 1299, 1755, 1989, 2165, 2295, 3315, 3897, 5629, 5967, 6495, 7361, 9945, 11691, 16887, 19485, 22083, 28145, 29835, 36805, 50661, 58455, 66249, 84435, 95693, 110415, 151983, 198747, 253305, 287079, 331245, 478465, 759915, 861237, 993735, 1435395, 2583711, 4306185, 12918555]

約数ペア:

[(1, 12918555), (3, 4306185), (5, 2583711), (9, 1435395), (13, 993735), (15, 861237), (17, 759915), (27, 478465), (39, 331245), (45, 287079), (51, 253305), (65, 198747), (85, 151983), (117, 110415), (135, 95693), (153, 84435), (195, 66249), (221, 58455), (255, 50661), (351, 36805), (433, 29835), (459, 28145), (585, 22083), (663, 19485), (765, 16887), (1105, 11691), (1299, 9945), (1755, 7361), (1989, 6495), (2165, 5967), (2295, 5629), (3315, 3897)]