28492893

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{131}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 49008960

約数和(自身を除く): 20516067

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 131, 143, 169, 393, 429, 507, 1179, 1287, 1441, 1521, 1703, 1859, 2197, 4323, 5109, 5577, 6591, 12969, 15327, 16731, 18733, 19773, 22139, 24167, 56199, 66417, 72501, 168597, 199251, 217503, 243529, 287807, 730587, 863421, 2191761, 2590263, 3165877, 9497631, 28492893]

約数ペア:

[(1, 28492893), (3, 9497631), (9, 3165877), (11, 2590263), (13, 2191761), (33, 863421), (39, 730587), (99, 287807), (117, 243529), (131, 217503), (143, 199251), (169, 168597), (393, 72501), (429, 66417), (507, 56199), (1179, 24167), (1287, 22139), (1441, 19773), (1521, 18733), (1703, 16731), (1859, 15327), (2197, 12969), (4323, 6591), (5109, 5577)]