78724995

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{1321}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 131353920

約数和(自身を除く): 52628925

約数列:

[1, 3, 5, 15, 29, 87, 137, 145, 411, 435, 685, 1321, 2055, 3963, 3973, 6605, 11919, 19815, 19865, 38309, 59595, 114927, 180977, 191545, 542931, 574635, 904885, 2714655, 5248333, 15744999, 26241665, 78724995]

約数ペア:

[(1, 78724995), (3, 26241665), (5, 15744999), (15, 5248333), (29, 2714655), (87, 904885), (137, 574635), (145, 542931), (411, 191545), (435, 180977), (685, 114927), (1321, 59595), (2055, 38309), (3963, 19865), (3973, 19815), (6605, 11919)]