74820291

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1229}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 123432960

約数和(自身を除く): 48612669

約数列:

[1, 3, 7, 13, 21, 39, 91, 223, 273, 669, 1229, 1561, 2899, 3687, 4683, 8603, 8697, 15977, 20293, 25809, 47931, 60879, 111839, 274067, 335517, 822201, 1918469, 3562871, 5755407, 10688613, 24940097, 74820291]

約数ペア:

[(1, 74820291), (3, 24940097), (7, 10688613), (13, 5755407), (21, 3562871), (39, 1918469), (91, 822201), (223, 335517), (273, 274067), (669, 111839), (1229, 60879), (1561, 47931), (2899, 25809), (3687, 20293), (4683, 15977), (8603, 8697)]