78269805

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1609}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 144668160

約数和(自身を除く): 66398355

約数列:

[1, 3, 5, 9, 15, 23, 45, 47, 69, 115, 141, 207, 235, 345, 423, 705, 1035, 1081, 1609, 2115, 3243, 4827, 5405, 8045, 9729, 14481, 16215, 24135, 37007, 48645, 72405, 75623, 111021, 185035, 226869, 333063, 378115, 555105, 680607, 1134345, 1665315, 1739329, 3403035, 5217987, 8696645, 15653961, 26089935, 78269805]

約数ペア:

[(1, 78269805), (3, 26089935), (5, 15653961), (9, 8696645), (15, 5217987), (23, 3403035), (45, 1739329), (47, 1665315), (69, 1134345), (115, 680607), (141, 555105), (207, 378115), (235, 333063), (345, 226869), (423, 185035), (705, 111021), (1035, 75623), (1081, 72405), (1609, 48645), (2115, 37007), (3243, 24135), (4827, 16215), (5405, 14481), (8045, 9729)]