2012399991

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{811}}^1$

素因数の和:1537

約数の個数: 64

約数和(自身を含む): 3596185600

約数和(自身を除く): 1583785609

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 691, 811, 1197, 2073, 2433, 3591, 4837, 5677, 6219, 7299, 13129, 14511, 15409, 17031, 18657, 21897, 39387, 43533, 46227, 51093, 91903, 107863, 118161, 130599, 138681, 153279, 275709, 323589, 354483, 416043, 560401, 827127, 970767, 1681203, 2481381, 2912301, 3922807, 5043609, 10647619, 11768421, 15130827, 31942857, 35305263, 74533333, 95828571, 105915789, 223599999, 287485713, 670799997, 2012399991]

約数ペア:

[(1, 2012399991), (3, 670799997), (7, 287485713), (9, 223599999), (19, 105915789), (21, 95828571), (27, 74533333), (57, 35305263), (63, 31942857), (133, 15130827), (171, 11768421), (189, 10647619), (399, 5043609), (513, 3922807), (691, 2912301), (811, 2481381), (1197, 1681203), (2073, 970767), (2433, 827127), (3591, 560401), (4837, 416043), (5677, 354483), (6219, 323589), (7299, 275709), (13129, 153279), (14511, 138681), (15409, 130599), (17031, 118161), (18657, 107863), (21897, 91903), (39387, 51093), (43533, 46227)]