90810321

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1601}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 144154368

約数和(自身を除く): 53344047

約数列:

[1, 3, 7, 21, 37, 73, 111, 219, 259, 511, 777, 1533, 1601, 2701, 4803, 8103, 11207, 18907, 33621, 56721, 59237, 116873, 177711, 350619, 414659, 818111, 1243977, 2454333, 4324301, 12972903, 30270107, 90810321]

約数ペア:

[(1, 90810321), (3, 30270107), (7, 12972903), (21, 4324301), (37, 2454333), (73, 1243977), (111, 818111), (219, 414659), (259, 350619), (511, 177711), (777, 116873), (1533, 59237), (1601, 56721), (2701, 33621), (4803, 18907), (8103, 11207)]