217420743

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1277}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 318988800

約数和(自身を除く): 101568057

約数列:

[1, 3, 19, 29, 57, 87, 103, 309, 551, 1277, 1653, 1957, 2987, 3831, 5871, 8961, 24263, 37033, 56753, 72789, 111099, 131531, 170259, 394593, 703627, 2110881, 2499089, 3814399, 7497267, 11443197, 72473581, 217420743]

約数ペア:

[(1, 217420743), (3, 72473581), (19, 11443197), (29, 7497267), (57, 3814399), (87, 2499089), (103, 2110881), (309, 703627), (551, 394593), (1277, 170259), (1653, 131531), (1957, 111099), (2987, 72789), (3831, 56753), (5871, 37033), (8961, 24263)]