9807725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 13177728

約数和(自身を除く): 3370003

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 491, 799, 1175, 2455, 3995, 8347, 12275, 19975, 23077, 41735, 115385, 208675, 392309, 576925, 1961545, 9807725]

約数ペア:

[(1, 9807725), (5, 1961545), (17, 576925), (25, 392309), (47, 208675), (85, 115385), (235, 41735), (425, 23077), (491, 19975), (799, 12275), (1175, 8347), (2455, 3995)]