201123891

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1213}}^1$

素因数の和:1337

約数の個数: 40

約数和(自身を含む): 317291040

約数和(自身を除く): 116167149

約数列:

[1, 3, 9, 23, 27, 69, 81, 89, 207, 267, 621, 801, 1213, 1863, 2047, 2403, 3639, 6141, 7209, 10917, 18423, 27899, 32751, 55269, 83697, 98253, 107957, 165807, 251091, 323871, 753273, 971613, 2259819, 2483011, 2914839, 7449033, 8744517, 22347099, 67041297, 201123891]

約数ペア:

[(1, 201123891), (3, 67041297), (9, 22347099), (23, 8744517), (27, 7449033), (69, 2914839), (81, 2483011), (89, 2259819), (207, 971613), (267, 753273), (621, 323871), (801, 251091), (1213, 165807), (1863, 107957), (2047, 98253), (2403, 83697), (3639, 55269), (6141, 32751), (7209, 27899), (10917, 18423)]