17780949

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{631}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 26817024

約数和(自身を除く): 9036075

約数列:

[1, 3, 9, 31, 93, 101, 279, 303, 631, 909, 1893, 3131, 5679, 9393, 19561, 28179, 58683, 63731, 176049, 191193, 573579, 1975661, 5926983, 17780949]

約数ペア:

[(1, 17780949), (3, 5926983), (9, 1975661), (31, 573579), (93, 191193), (101, 176049), (279, 63731), (303, 58683), (631, 28179), (909, 19561), (1893, 9393), (3131, 5679)]