217419195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{21347}}^1$

素因数の和:21459

約数の個数: 32

約数和(自身を含む): 401683968

約数和(自身を除く): 184264773

約数列:

[1, 3, 5, 7, 15, 21, 35, 97, 105, 291, 485, 679, 1455, 2037, 3395, 10185, 21347, 64041, 106735, 149429, 320205, 448287, 747145, 2070659, 2241435, 6211977, 10353295, 14494613, 31059885, 43483839, 72473065, 217419195]

約数ペア:

[(1, 217419195), (3, 72473065), (5, 43483839), (7, 31059885), (15, 14494613), (21, 10353295), (35, 6211977), (97, 2241435), (105, 2070659), (291, 747145), (485, 448287), (679, 320205), (1455, 149429), (2037, 106735), (3395, 64041), (10185, 21347)]