26971893

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 45325440

約数和(自身を除く): 18353547

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 169, 207, 257, 299, 351, 507, 621, 771, 897, 1521, 2313, 2691, 3341, 3887, 4563, 5911, 6939, 8073, 10023, 11661, 17733, 30069, 34983, 43433, 53199, 76843, 90207, 104949, 130299, 159597, 230529, 390897, 691587, 998959, 1172691, 2074761, 2996877, 8990631, 26971893]

約数ペア:

[(1, 26971893), (3, 8990631), (9, 2996877), (13, 2074761), (23, 1172691), (27, 998959), (39, 691587), (69, 390897), (117, 230529), (169, 159597), (207, 130299), (257, 104949), (299, 90207), (351, 76843), (507, 53199), (621, 43433), (771, 34983), (897, 30069), (1521, 17733), (2313, 11661), (2691, 10023), (3341, 8073), (3887, 6939), (4563, 5911)]