291237219

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11471}}^1$

素因数の和:11528

約数の個数: 48

約数和(自身を含む): 534503424

約数和(自身を除く): 243266205

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 117, 217, 273, 279, 403, 651, 819, 1209, 1953, 2821, 3627, 8463, 11471, 25389, 34413, 80297, 103239, 149123, 240891, 355601, 447369, 722673, 1043861, 1066803, 1342107, 2489207, 3131583, 3200409, 4622813, 7467621, 9394749, 13868439, 22402863, 32359691, 41605317, 97079073, 291237219]

約数ペア:

[(1, 291237219), (3, 97079073), (7, 41605317), (9, 32359691), (13, 22402863), (21, 13868439), (31, 9394749), (39, 7467621), (63, 4622813), (91, 3200409), (93, 3131583), (117, 2489207), (217, 1342107), (273, 1066803), (279, 1043861), (403, 722673), (651, 447369), (819, 355601), (1209, 240891), (1953, 149123), (2821, 103239), (3627, 80297), (8463, 34413), (11471, 25389)]