13372725

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 23371520

約数和(自身を除く): 9998795

約数列:

[1, 3, 5, 15, 25, 37, 61, 75, 79, 111, 183, 185, 237, 305, 395, 555, 915, 925, 1185, 1525, 1975, 2257, 2775, 2923, 4575, 4819, 5925, 6771, 8769, 11285, 14457, 14615, 24095, 33855, 43845, 56425, 72285, 73075, 120475, 169275, 178303, 219225, 361425, 534909, 891515, 2674545, 4457575, 13372725]

約数ペア:

[(1, 13372725), (3, 4457575), (5, 2674545), (15, 891515), (25, 534909), (37, 361425), (61, 219225), (75, 178303), (79, 169275), (111, 120475), (183, 73075), (185, 72285), (237, 56425), (305, 43845), (395, 33855), (555, 24095), (915, 14615), (925, 14457), (1185, 11285), (1525, 8769), (1975, 6771), (2257, 5925), (2775, 4819), (2923, 4575)]