1312575

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:104

約数の個数: 48

約数和(自身を含む): 2487936

約数和(自身を除く): 1175361

約数列:

[1, 3, 5, 11, 15, 25, 33, 37, 43, 55, 75, 111, 129, 165, 185, 215, 275, 407, 473, 555, 645, 825, 925, 1075, 1221, 1419, 1591, 2035, 2365, 2775, 3225, 4773, 6105, 7095, 7955, 10175, 11825, 17501, 23865, 30525, 35475, 39775, 52503, 87505, 119325, 262515, 437525, 1312575]

約数ペア:

[(1, 1312575), (3, 437525), (5, 262515), (11, 119325), (15, 87505), (25, 52503), (33, 39775), (37, 35475), (43, 30525), (55, 23865), (75, 17501), (111, 11825), (129, 10175), (165, 7955), (185, 7095), (215, 6105), (275, 4773), (407, 3225), (473, 2775), (555, 2365), (645, 2035), (825, 1591), (925, 1419), (1075, 1221)]