7286643

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 13942656

約数和(自身を除く): 6656013

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 41, 49, 63, 91, 93, 117, 123, 147, 217, 273, 279, 287, 369, 403, 441, 533, 637, 651, 819, 861, 1209, 1271, 1519, 1599, 1911, 1953, 2009, 2583, 2821, 3627, 3731, 3813, 4557, 4797, 5733, 6027, 8463, 8897, 11193, 11439, 13671, 16523, 18081, 19747, 25389, 26117, 26691, 33579, 49569, 59241, 62279, 78351, 80073, 115661, 148707, 177723, 186837, 235053, 346983, 560511, 809627, 1040949, 2428881, 7286643]

約数ペア:

[(1, 7286643), (3, 2428881), (7, 1040949), (9, 809627), (13, 560511), (21, 346983), (31, 235053), (39, 186837), (41, 177723), (49, 148707), (63, 115661), (91, 80073), (93, 78351), (117, 62279), (123, 59241), (147, 49569), (217, 33579), (273, 26691), (279, 26117), (287, 25389), (369, 19747), (403, 18081), (441, 16523), (533, 13671), (637, 11439), (651, 11193), (819, 8897), (861, 8463), (1209, 6027), (1271, 5733), (1519, 4797), (1599, 4557), (1911, 3813), (1953, 3731), (2009, 3627), (2583, 2821)]