258889761

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{983}}^1\times {\mathrm{2251}}^1$

素因数の和:3253

約数の個数: 24

約数和(自身を含む): 403306176

約数和(自身を除く): 144416415

約数列:

[1, 3, 9, 13, 39, 117, 983, 2251, 2949, 6753, 8847, 12779, 20259, 29263, 38337, 87789, 115011, 263367, 2212733, 6638199, 19914597, 28765529, 86296587, 258889761]

約数ペア:

[(1, 258889761), (3, 86296587), (9, 28765529), (13, 19914597), (39, 6638199), (117, 2212733), (983, 263367), (2251, 115011), (2949, 87789), (6753, 38337), (8847, 29263), (12779, 20259)]