2639043

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 4642560

約数和(自身を除く): 2003517

約数列:

[1, 3, 9, 11, 19, 23, 33, 57, 61, 69, 99, 171, 183, 207, 209, 253, 437, 549, 627, 671, 759, 1159, 1311, 1403, 1881, 2013, 2277, 3477, 3933, 4209, 4807, 6039, 10431, 12627, 12749, 14421, 15433, 26657, 38247, 43263, 46299, 79971, 114741, 138897, 239913, 293227, 879681, 2639043]

約数ペア:

[(1, 2639043), (3, 879681), (9, 293227), (11, 239913), (19, 138897), (23, 114741), (33, 79971), (57, 46299), (61, 43263), (69, 38247), (99, 26657), (171, 15433), (183, 14421), (207, 12749), (209, 12627), (253, 10431), (437, 6039), (549, 4807), (627, 4209), (671, 3933), (759, 3477), (1159, 2277), (1311, 2013), (1403, 1881)]