277130277

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 434790720

約数和(自身を除く): 157660443

約数列:

[1, 3, 9, 17, 51, 83, 139, 153, 157, 249, 417, 471, 747, 1251, 1411, 1413, 2363, 2669, 4233, 7089, 8007, 11537, 12699, 13031, 21267, 21823, 24021, 34611, 39093, 65469, 103833, 117279, 196129, 196407, 221527, 370991, 588387, 664581, 1112973, 1765161, 1811309, 1993743, 3338919, 5433927, 16301781, 30792253, 92376759, 277130277]

約数ペア:

[(1, 277130277), (3, 92376759), (9, 30792253), (17, 16301781), (51, 5433927), (83, 3338919), (139, 1993743), (153, 1811309), (157, 1765161), (249, 1112973), (417, 664581), (471, 588387), (747, 370991), (1251, 221527), (1411, 196407), (1413, 196129), (2363, 117279), (2669, 103833), (4233, 65469), (7089, 39093), (8007, 34611), (11537, 24021), (12699, 21823), (13031, 21267)]