2978937

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 5136768

約数和(自身を除く): 2157831

約数列:

[1, 3, 9, 13, 23, 27, 39, 41, 69, 81, 117, 123, 207, 243, 299, 351, 369, 533, 621, 897, 943, 1053, 1107, 1599, 1863, 2691, 2829, 3159, 3321, 4797, 5589, 8073, 8487, 9963, 12259, 14391, 24219, 25461, 36777, 43173, 72657, 76383, 110331, 129519, 229149, 330993, 992979, 2978937]

約数ペア:

[(1, 2978937), (3, 992979), (9, 330993), (13, 229149), (23, 129519), (27, 110331), (39, 76383), (41, 72657), (69, 43173), (81, 36777), (117, 25461), (123, 24219), (207, 14391), (243, 12259), (299, 9963), (351, 8487), (369, 8073), (533, 5589), (621, 4797), (897, 3321), (943, 3159), (1053, 2829), (1107, 2691), (1599, 1863)]