291212019

素因数分解:

$3^2\times 7^1\times {\mathrm{2039}}^1\times {\mathrm{2267}}^1$

素因数の和:4319

約数の個数: 24

約数和(自身を含む): 481178880

約数和(自身を除く): 189966861

約数列:

[1, 3, 7, 9, 21, 63, 2039, 2267, 6117, 6801, 14273, 15869, 18351, 20403, 42819, 47607, 128457, 142821, 4622413, 13867239, 32356891, 41601717, 97070673, 291212019]

約数ペア:

[(1, 291212019), (3, 97070673), (7, 41601717), (9, 32356891), (21, 13867239), (63, 4622413), (2039, 142821), (2267, 128457), (6117, 47607), (6801, 42819), (14273, 20403), (15869, 18351)]