78141921

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 127807680

約数和(自身を除く): 49665759

約数列:

[1, 3, 11, 13, 29, 33, 39, 87, 121, 143, 319, 363, 377, 429, 571, 957, 1131, 1573, 1713, 3509, 4147, 4719, 6281, 7423, 10527, 12441, 16559, 18843, 22269, 45617, 49677, 69091, 81653, 136851, 182149, 207273, 215267, 244959, 546447, 645801, 898183, 2003639, 2367937, 2694549, 6010917, 7103811, 26047307, 78141921]

約数ペア:

[(1, 78141921), (3, 26047307), (11, 7103811), (13, 6010917), (29, 2694549), (33, 2367937), (39, 2003639), (87, 898183), (121, 645801), (143, 546447), (319, 244959), (363, 215267), (377, 207273), (429, 182149), (571, 136851), (957, 81653), (1131, 69091), (1573, 49677), (1713, 45617), (3509, 22269), (4147, 18843), (4719, 16559), (6281, 12441), (7423, 10527)]