239175261

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:504

約数の個数: 80

約数和(自身を含む): 421521408

約数和(自身を除く): 182346147

約数列:

[1, 3, 9, 13, 17, 27, 31, 39, 51, 81, 93, 117, 153, 221, 279, 351, 403, 431, 459, 527, 663, 837, 1053, 1209, 1293, 1377, 1581, 1989, 2511, 3627, 3879, 4743, 5603, 5967, 6851, 7327, 10881, 11637, 13361, 14229, 16809, 17901, 20553, 21981, 32643, 34911, 40083, 42687, 50427, 61659, 65943, 95251, 120249, 151281, 173693, 184977, 197829, 227137, 285753, 360747, 453843, 521079, 554931, 593487, 681411, 857259, 1082241, 1563237, 2044233, 2571777, 2952781, 4689711, 6132699, 7715331, 8858343, 14069133, 18398097, 26575029, 79725087, 239175261]

約数ペア:

[(1, 239175261), (3, 79725087), (9, 26575029), (13, 18398097), (17, 14069133), (27, 8858343), (31, 7715331), (39, 6132699), (51, 4689711), (81, 2952781), (93, 2571777), (117, 2044233), (153, 1563237), (221, 1082241), (279, 857259), (351, 681411), (403, 593487), (431, 554931), (459, 521079), (527, 453843), (663, 360747), (837, 285753), (1053, 227137), (1209, 197829), (1293, 184977), (1377, 173693), (1581, 151281), (1989, 120249), (2511, 95251), (3627, 65943), (3879, 61659), (4743, 50427), (5603, 42687), (5967, 40083), (6851, 34911), (7327, 32643), (10881, 21981), (11637, 20553), (13361, 17901), (14229, 16809)]