171915075

素因数分解:

$3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{5923}}^1$

素因数の和:5985

約数の個数: 48

約数和(自身を含む): 323213440

約数和(自身を除く): 151298365

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 129, 135, 215, 225, 387, 645, 675, 1075, 1161, 1935, 3225, 5805, 5923, 9675, 17769, 29025, 29615, 53307, 88845, 148075, 159921, 254689, 266535, 444225, 764067, 799605, 1273445, 1332675, 2292201, 3820335, 3998025, 6367225, 6876603, 11461005, 19101675, 34383015, 57305025, 171915075]

約数ペア:

[(1, 171915075), (3, 57305025), (5, 34383015), (9, 19101675), (15, 11461005), (25, 6876603), (27, 6367225), (43, 3998025), (45, 3820335), (75, 2292201), (129, 1332675), (135, 1273445), (215, 799605), (225, 764067), (387, 444225), (645, 266535), (675, 254689), (1075, 159921), (1161, 148075), (1935, 88845), (3225, 53307), (5805, 29615), (5923, 29025), (9675, 17769)]