31239351

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 96

約数和(自身を含む): 58705920

約数和(自身を除く): 27466569

約数列:

[1, 3, 9, 11, 13, 27, 29, 31, 33, 39, 81, 87, 93, 99, 117, 143, 243, 261, 279, 297, 319, 341, 351, 377, 403, 429, 783, 837, 891, 899, 957, 1023, 1053, 1131, 1209, 1287, 2349, 2511, 2673, 2697, 2871, 3069, 3159, 3393, 3627, 3861, 4147, 4433, 7047, 7533, 8091, 8613, 9207, 9889, 10179, 10881, 11583, 11687, 12441, 13299, 24273, 25839, 27621, 29667, 30537, 32643, 34749, 35061, 37323, 39897, 72819, 77517, 82863, 89001, 91611, 97929, 105183, 111969, 119691, 128557, 218457, 267003, 315549, 335907, 359073, 385671, 801009, 946647, 1007721, 1077219, 1157013, 2403027, 2839941, 3471039, 10413117, 31239351]

約数ペア:

[(1, 31239351), (3, 10413117), (9, 3471039), (11, 2839941), (13, 2403027), (27, 1157013), (29, 1077219), (31, 1007721), (33, 946647), (39, 801009), (81, 385671), (87, 359073), (93, 335907), (99, 315549), (117, 267003), (143, 218457), (243, 128557), (261, 119691), (279, 111969), (297, 105183), (319, 97929), (341, 91611), (351, 89001), (377, 82863), (403, 77517), (429, 72819), (783, 39897), (837, 37323), (891, 35061), (899, 34749), (957, 32643), (1023, 30537), (1053, 29667), (1131, 27621), (1209, 25839), (1287, 24273), (2349, 13299), (2511, 12441), (2673, 11687), (2697, 11583), (2871, 10881), (3069, 10179), (3159, 9889), (3393, 9207), (3627, 8613), (3861, 8091), (4147, 7533), (4433, 7047)]