1993641

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 3161088

約数和(自身を除く): 1167447

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 97, 221, 291, 403, 527, 663, 1209, 1261, 1581, 1649, 3007, 3783, 4947, 6851, 9021, 20553, 21437, 39091, 51119, 64311, 117273, 153357, 664547, 1993641]

約数ペア:

[(1, 1993641), (3, 664547), (13, 153357), (17, 117273), (31, 64311), (39, 51119), (51, 39091), (93, 21437), (97, 20553), (221, 9021), (291, 6851), (403, 4947), (527, 3783), (663, 3007), (1209, 1649), (1261, 1581)]