129621591

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 217002240

約数和(自身を除く): 87380649

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 137, 171, 209, 411, 503, 627, 1233, 1507, 1509, 1881, 2603, 4521, 4527, 5533, 7809, 9557, 13563, 16599, 23427, 28633, 28671, 49797, 68911, 85899, 86013, 105127, 206733, 257697, 315381, 620199, 758021, 946143, 1309309, 2274063, 3927927, 6822189, 11783781, 14402399, 43207197, 129621591]

約数ペア:

[(1, 129621591), (3, 43207197), (9, 14402399), (11, 11783781), (19, 6822189), (33, 3927927), (57, 2274063), (99, 1309309), (137, 946143), (171, 758021), (209, 620199), (411, 315381), (503, 257697), (627, 206733), (1233, 105127), (1507, 86013), (1509, 85899), (1881, 68911), (2603, 49797), (4521, 28671), (4527, 28633), (5533, 23427), (7809, 16599), (9557, 13563)]