38898873

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:136

約数の個数: 80

約数和(自身を含む): 69155856

約数和(自身を除く): 30256983

約数列:

[1, 3, 9, 13, 17, 27, 39, 41, 51, 53, 81, 117, 123, 153, 159, 221, 351, 369, 459, 477, 533, 663, 689, 697, 901, 1053, 1107, 1377, 1431, 1599, 1989, 2067, 2091, 2173, 2703, 3321, 4293, 4797, 5967, 6201, 6273, 6519, 8109, 9061, 11713, 14391, 17901, 18603, 18819, 19557, 24327, 27183, 28249, 35139, 36941, 43173, 55809, 56457, 58671, 72981, 81549, 84747, 105417, 110823, 176013, 244647, 254241, 316251, 332469, 480233, 733941, 762723, 948753, 997407, 1440699, 2288169, 2992221, 4322097, 12966291, 38898873]

約数ペア:

[(1, 38898873), (3, 12966291), (9, 4322097), (13, 2992221), (17, 2288169), (27, 1440699), (39, 997407), (41, 948753), (51, 762723), (53, 733941), (81, 480233), (117, 332469), (123, 316251), (153, 254241), (159, 244647), (221, 176013), (351, 110823), (369, 105417), (459, 84747), (477, 81549), (533, 72981), (663, 58671), (689, 56457), (697, 55809), (901, 43173), (1053, 36941), (1107, 35139), (1377, 28249), (1431, 27183), (1599, 24327), (1989, 19557), (2067, 18819), (2091, 18603), (2173, 17901), (2703, 14391), (3321, 11713), (4293, 9061), (4797, 8109), (5967, 6519), (6201, 6273)]