13131111

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 20837376

約数和(自身を除く): 7706265

約数列:

[1, 3, 7, 21, 41, 101, 123, 151, 287, 303, 453, 707, 861, 1057, 2121, 3171, 4141, 6191, 12423, 15251, 18573, 28987, 43337, 45753, 86961, 106757, 130011, 320271, 625291, 1875873, 4377037, 13131111]

約数ペア:

[(1, 13131111), (3, 4377037), (7, 1875873), (21, 625291), (41, 320271), (101, 130011), (123, 106757), (151, 86961), (287, 45753), (303, 43337), (453, 28987), (707, 18573), (861, 15251), (1057, 12423), (2121, 6191), (3171, 4141)]