30980691

素因数分解:

$3^3\times 7^2\times {\mathrm{23417}}^1$

素因数の和:23440

約数の個数: 24

約数和(自身を含む): 53393040

約数和(自身を除く): 22412349

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 23417, 70251, 163919, 210753, 491757, 632259, 1147433, 1475271, 3442299, 4425813, 10326897, 30980691]

約数ペア:

[(1, 30980691), (3, 10326897), (7, 4425813), (9, 3442299), (21, 1475271), (27, 1147433), (49, 632259), (63, 491757), (147, 210753), (189, 163919), (441, 70251), (1323, 23417)]