648117

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 1018368

約数和(自身を除く): 370251

約数列:

[1, 3, 9, 23, 31, 69, 93, 101, 207, 279, 303, 713, 909, 2139, 2323, 3131, 6417, 6969, 9393, 20907, 28179, 72013, 216039, 648117]

約数ペア:

[(1, 648117), (3, 216039), (9, 72013), (23, 28179), (31, 20907), (69, 9393), (93, 6969), (101, 6417), (207, 3131), (279, 2323), (303, 2139), (713, 909)]