154120281

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1427}}^1$

素因数の和:1613

約数の個数: 32

約数和(自身を含む): 243102720

約数和(自身を除く): 88982439

約数列:

[1, 3, 7, 21, 37, 111, 139, 259, 417, 777, 973, 1427, 2919, 4281, 5143, 9989, 15429, 29967, 36001, 52799, 108003, 158397, 198353, 369593, 595059, 1108779, 1388471, 4165413, 7339061, 22017183, 51373427, 154120281]

約数ペア:

[(1, 154120281), (3, 51373427), (7, 22017183), (21, 7339061), (37, 4165413), (111, 1388471), (139, 1108779), (259, 595059), (417, 369593), (777, 198353), (973, 158397), (1427, 108003), (2919, 52799), (4281, 36001), (5143, 29967), (9989, 15429)]