28425915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 60383232

約数和(自身を除く): 31957317

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 41, 45, 63, 71, 93, 105, 123, 155, 205, 213, 217, 279, 287, 315, 355, 369, 465, 497, 615, 639, 651, 861, 1065, 1085, 1271, 1395, 1435, 1491, 1845, 1953, 2201, 2485, 2583, 2911, 3195, 3255, 3813, 4305, 4473, 6355, 6603, 7455, 8733, 8897, 9765, 11005, 11439, 12915, 14555, 15407, 19065, 19809, 20377, 22365, 26199, 26691, 33015, 43665, 44485, 46221, 57195, 61131, 77035, 80073, 90241, 99045, 101885, 130995, 133455, 138663, 183393, 231105, 270723, 305655, 400365, 451205, 631687, 693315, 812169, 916965, 1353615, 1895061, 3158435, 4060845, 5685183, 9475305, 28425915]

約数ペア:

[(1, 28425915), (3, 9475305), (5, 5685183), (7, 4060845), (9, 3158435), (15, 1895061), (21, 1353615), (31, 916965), (35, 812169), (41, 693315), (45, 631687), (63, 451205), (71, 400365), (93, 305655), (105, 270723), (123, 231105), (155, 183393), (205, 138663), (213, 133455), (217, 130995), (279, 101885), (287, 99045), (315, 90241), (355, 80073), (369, 77035), (465, 61131), (497, 57195), (615, 46221), (639, 44485), (651, 43665), (861, 33015), (1065, 26691), (1085, 26199), (1271, 22365), (1395, 20377), (1435, 19809), (1491, 19065), (1845, 15407), (1953, 14555), (2201, 12915), (2485, 11439), (2583, 11005), (2911, 9765), (3195, 8897), (3255, 8733), (3813, 7455), (4305, 6603), (4473, 6355)]