2171295

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 4410432

約数和(自身を除く): 2239137

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 61, 63, 105, 113, 183, 305, 315, 339, 427, 549, 565, 791, 915, 1017, 1281, 1695, 2135, 2373, 2745, 3843, 3955, 5085, 6405, 6893, 7119, 11865, 19215, 20679, 34465, 35595, 48251, 62037, 103395, 144753, 241255, 310185, 434259, 723765, 2171295]

約数ペア:

[(1, 2171295), (3, 723765), (5, 434259), (7, 310185), (9, 241255), (15, 144753), (21, 103395), (35, 62037), (45, 48251), (61, 35595), (63, 34465), (105, 20679), (113, 19215), (183, 11865), (305, 7119), (315, 6893), (339, 6405), (427, 5085), (549, 3955), (565, 3843), (791, 2745), (915, 2373), (1017, 2135), (1281, 1695)]