2180079

素因数分解:

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

素因数の和:116

約数の個数: 36

約数和(自身を含む): 3685032

約数和(自身を除く): 1504953

約数列:

[1, 3, 9, 11, 19, 33, 57, 61, 99, 171, 183, 209, 361, 549, 627, 671, 1083, 1159, 1881, 2013, 3249, 3477, 3971, 6039, 10431, 11913, 12749, 22021, 35739, 38247, 66063, 114741, 198189, 242231, 726693, 2180079]

約数ペア:

[(1, 2180079), (3, 726693), (9, 242231), (11, 198189), (19, 114741), (33, 66063), (57, 38247), (61, 35739), (99, 22021), (171, 12749), (183, 11913), (209, 10431), (361, 6039), (549, 3971), (627, 3477), (671, 3249), (1083, 2013), (1159, 1881)]