218630985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{8681}}^1$

素因数の和:8785

約数の個数: 32

約数和(自身を含む): 370061568

約数和(自身を除く): 151430583

約数列:

[1, 3, 5, 15, 23, 69, 73, 115, 219, 345, 365, 1095, 1679, 5037, 8395, 8681, 25185, 26043, 43405, 130215, 199663, 598989, 633713, 998315, 1901139, 2994945, 3168565, 9505695, 14575399, 43726197, 72876995, 218630985]

約数ペア:

[(1, 218630985), (3, 72876995), (5, 43726197), (15, 14575399), (23, 9505695), (69, 3168565), (73, 2994945), (115, 1901139), (219, 998315), (345, 633713), (365, 598989), (1095, 199663), (1679, 130215), (5037, 43405), (8395, 26043), (8681, 25185)]