221488965

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71333}}^1$

素因数の和:71370

約数の個数: 32

約数和(自身を含む): 410883840

約数和(自身を除く): 189394875

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 71333, 213999, 356665, 641997, 1069995, 1640659, 1925991, 3209985, 4921977, 8203295, 9629955, 14765931, 24609885, 44297793, 73829655, 221488965]

約数ペア:

[(1, 221488965), (3, 73829655), (5, 44297793), (9, 24609885), (15, 14765931), (23, 9629955), (27, 8203295), (45, 4921977), (69, 3209985), (115, 1925991), (135, 1640659), (207, 1069995), (345, 641997), (621, 356665), (1035, 213999), (3105, 71333)]