15861795

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 26265600

約数和(自身を除く): 10403805

約数列:

[1, 3, 5, 15, 47, 141, 149, 151, 235, 447, 453, 705, 745, 755, 2235, 2265, 7003, 7097, 21009, 21291, 22499, 35015, 35485, 67497, 105045, 106455, 112495, 337485, 1057453, 3172359, 5287265, 15861795]

約数ペア:

[(1, 15861795), (3, 5287265), (5, 3172359), (15, 1057453), (47, 337485), (141, 112495), (149, 106455), (151, 105045), (235, 67497), (447, 35485), (453, 35015), (705, 22499), (745, 21291), (755, 21009), (2235, 7097), (2265, 7003)]