245718279

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2383}}^1$

素因数の和:2481

約数の個数: 40

約数和(自身を含む): 392311040

約数和(自身を除く): 146592761

約数列:

[1, 3, 9, 19, 27, 57, 67, 81, 171, 201, 513, 603, 1273, 1539, 1809, 2383, 3819, 5427, 7149, 11457, 21447, 34371, 45277, 64341, 103113, 135831, 159661, 193023, 407493, 478983, 1222479, 1436949, 3033559, 3667437, 4310847, 9100677, 12932541, 27302031, 81906093, 245718279]

約数ペア:

[(1, 245718279), (3, 81906093), (9, 27302031), (19, 12932541), (27, 9100677), (57, 4310847), (67, 3667437), (81, 3033559), (171, 1436949), (201, 1222479), (513, 478983), (603, 407493), (1273, 193023), (1539, 159661), (1809, 135831), (2383, 103113), (3819, 64341), (5427, 45277), (7149, 34371), (11457, 21447)]