90306867

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{947}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 145612800

約数和(自身を除く): 55305933

約数列:

[1, 3, 7, 19, 21, 57, 133, 239, 399, 717, 947, 1673, 2841, 4541, 5019, 6629, 13623, 17993, 19887, 31787, 53979, 95361, 125951, 226333, 377853, 678999, 1584331, 4300327, 4752993, 12900981, 30102289, 90306867]

約数ペア:

[(1, 90306867), (3, 30102289), (7, 12900981), (19, 4752993), (21, 4300327), (57, 1584331), (133, 678999), (239, 377853), (399, 226333), (717, 125951), (947, 95361), (1673, 53979), (2841, 31787), (4541, 19887), (5019, 17993), (6629, 13623)]