287383707

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3137}}^1$

素因数の和:3194

約数の個数: 48

約数和(自身を含む): 479737440

約数和(自身を除く): 192353733

約数列:

[1, 3, 9, 13, 27, 29, 39, 81, 87, 117, 243, 261, 351, 377, 783, 1053, 1131, 2349, 3137, 3159, 3393, 7047, 9411, 10179, 28233, 30537, 40781, 84699, 90973, 91611, 122343, 254097, 272919, 367029, 762291, 818757, 1101087, 1182649, 2456271, 3303261, 3547947, 7368813, 9909783, 10643841, 22106439, 31931523, 95794569, 287383707]

約数ペア:

[(1, 287383707), (3, 95794569), (9, 31931523), (13, 22106439), (27, 10643841), (29, 9909783), (39, 7368813), (81, 3547947), (87, 3303261), (117, 2456271), (243, 1182649), (261, 1101087), (351, 818757), (377, 762291), (783, 367029), (1053, 272919), (1131, 254097), (2349, 122343), (3137, 91611), (3159, 90973), (3393, 84699), (7047, 40781), (9411, 30537), (10179, 28233)]