205320957

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 292032000

約数和(自身を除く): 86711043

約数列:

[1, 3, 29, 47, 87, 141, 149, 337, 447, 1011, 1363, 4089, 4321, 7003, 9773, 12963, 15839, 21009, 29319, 47517, 50213, 150639, 203087, 459331, 609261, 1377993, 1456177, 2360011, 4368531, 7080033, 68440319, 205320957]

約数ペア:

[(1, 205320957), (3, 68440319), (29, 7080033), (47, 4368531), (87, 2360011), (141, 1456177), (149, 1377993), (337, 609261), (447, 459331), (1011, 203087), (1363, 150639), (4089, 50213), (4321, 47517), (7003, 29319), (9773, 21009), (12963, 15839)]