168290619

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 275051520

約数和(自身を除く): 106760901

約数列:

[1, 3, 7, 19, 21, 57, 79, 133, 237, 281, 361, 399, 553, 843, 1083, 1501, 1659, 1967, 2527, 4503, 5339, 5901, 7581, 10507, 16017, 22199, 28519, 31521, 37373, 66597, 85557, 101441, 112119, 155393, 199633, 304323, 421781, 466179, 598899, 710087, 1265343, 2130261, 2952467, 8013839, 8857401, 24041517, 56096873, 168290619]

約数ペア:

[(1, 168290619), (3, 56096873), (7, 24041517), (19, 8857401), (21, 8013839), (57, 2952467), (79, 2130261), (133, 1265343), (237, 710087), (281, 598899), (361, 466179), (399, 421781), (553, 304323), (843, 199633), (1083, 155393), (1501, 112119), (1659, 101441), (1967, 85557), (2527, 66597), (4503, 37373), (5339, 31521), (5901, 28519), (7581, 22199), (10507, 16017)]