408335859

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^3$

素因数の和:189

約数の個数: 48

約数和(自身を含む): 661939200

約数和(自身を除く): 253603341

約数列:

[1, 3, 9, 19, 23, 47, 57, 69, 141, 171, 207, 423, 437, 893, 1081, 1311, 2209, 2679, 3243, 3933, 6627, 8037, 9729, 19881, 20539, 41971, 50807, 61617, 103823, 125913, 152421, 184851, 311469, 377739, 457263, 934407, 965333, 1972637, 2387929, 2895999, 5917911, 7163787, 8687997, 17753733, 21491361, 45370651, 136111953, 408335859]

約数ペア:

[(1, 408335859), (3, 136111953), (9, 45370651), (19, 21491361), (23, 17753733), (47, 8687997), (57, 7163787), (69, 5917911), (141, 2895999), (171, 2387929), (207, 1972637), (423, 965333), (437, 934407), (893, 457263), (1081, 377739), (1311, 311469), (2209, 184851), (2679, 152421), (3243, 125913), (3933, 103823), (6627, 61617), (8037, 50807), (9729, 41971), (19881, 20539)]