290220483

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{373}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 463879680

約数和(自身を除く): 173659197

約数列:

[1, 3, 7, 21, 49, 67, 79, 147, 201, 237, 373, 469, 553, 1119, 1407, 1659, 2611, 3283, 3871, 5293, 7833, 9849, 11613, 15879, 18277, 24991, 29467, 37051, 54831, 74973, 88401, 111153, 174937, 206269, 259357, 524811, 618807, 778071, 1224559, 1443883, 1974289, 3673677, 4331649, 5922867, 13820023, 41460069, 96740161, 290220483]

約数ペア:

[(1, 290220483), (3, 96740161), (7, 41460069), (21, 13820023), (49, 5922867), (67, 4331649), (79, 3673677), (147, 1974289), (201, 1443883), (237, 1224559), (373, 778071), (469, 618807), (553, 524811), (1119, 259357), (1407, 206269), (1659, 174937), (2611, 111153), (3283, 88401), (3871, 74973), (5293, 54831), (7833, 37051), (9849, 29467), (11613, 24991), (15879, 18277)]