1306725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 2618880

約数和(自身を除く): 1312155

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 131, 133, 175, 285, 393, 399, 475, 525, 655, 665, 917, 1425, 1965, 1995, 2489, 2751, 3275, 3325, 4585, 7467, 9825, 9975, 12445, 13755, 17423, 22925, 37335, 52269, 62225, 68775, 87115, 186675, 261345, 435575, 1306725]

約数ペア:

[(1, 1306725), (3, 435575), (5, 261345), (7, 186675), (15, 87115), (19, 68775), (21, 62225), (25, 52269), (35, 37335), (57, 22925), (75, 17423), (95, 13755), (105, 12445), (131, 9975), (133, 9825), (175, 7467), (285, 4585), (393, 3325), (399, 3275), (475, 2751), (525, 2489), (655, 1995), (665, 1965), (917, 1425)]