201588471

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 340142400

約数和(自身を除く): 138553929

約数列:

[1, 3, 7, 9, 21, 63, 89, 157, 229, 267, 471, 623, 687, 801, 1099, 1413, 1603, 1869, 2061, 3297, 4809, 5607, 9891, 13973, 14427, 20381, 35953, 41919, 61143, 97811, 107859, 125757, 142667, 183429, 251671, 293433, 323577, 428001, 755013, 880299, 1284003, 2265039, 3199817, 9599451, 22398719, 28798353, 67196157, 201588471]

約数ペア:

[(1, 201588471), (3, 67196157), (7, 28798353), (9, 22398719), (21, 9599451), (63, 3199817), (89, 2265039), (157, 1284003), (229, 880299), (267, 755013), (471, 428001), (623, 323577), (687, 293433), (801, 251671), (1099, 183429), (1413, 142667), (1603, 125757), (1869, 107859), (2061, 97811), (3297, 61143), (4809, 41919), (5607, 35953), (9891, 20381), (13973, 14427)]