281144019

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 444939264

約数和(自身を除く): 163795245

約数列:

[1, 3, 13, 23, 37, 39, 43, 69, 111, 129, 197, 299, 481, 559, 591, 851, 897, 989, 1443, 1591, 1677, 2553, 2561, 2967, 4531, 4773, 7289, 7683, 8471, 11063, 12857, 13593, 20683, 21867, 25413, 33189, 36593, 38571, 58903, 62049, 94757, 109779, 110123, 167647, 176709, 194833, 284271, 313427, 330369, 475709, 502941, 584499, 940281, 1427127, 2179411, 2532829, 4074551, 6538233, 7208821, 7598487, 12223653, 21626463, 93714673, 281144019]

約数ペア:

[(1, 281144019), (3, 93714673), (13, 21626463), (23, 12223653), (37, 7598487), (39, 7208821), (43, 6538233), (69, 4074551), (111, 2532829), (129, 2179411), (197, 1427127), (299, 940281), (481, 584499), (559, 502941), (591, 475709), (851, 330369), (897, 313427), (989, 284271), (1443, 194833), (1591, 176709), (1677, 167647), (2553, 110123), (2561, 109779), (2967, 94757), (4531, 62049), (4773, 58903), (7289, 38571), (7683, 36593), (8471, 33189), (11063, 25413), (12857, 21867), (13593, 20683)]