72874215

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28411}}^1$

素因数の和:28444

約数の個数: 32

約数和(自身を含む): 136377600

約数和(自身を除く): 63503385

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 28411, 85233, 142055, 255699, 426165, 539809, 767097, 1278495, 1619427, 2699045, 3835485, 4858281, 8097135, 14574843, 24291405, 72874215]

約数ペア:

[(1, 72874215), (3, 24291405), (5, 14574843), (9, 8097135), (15, 4858281), (19, 3835485), (27, 2699045), (45, 1619427), (57, 1278495), (95, 767097), (135, 539809), (171, 426165), (285, 255699), (513, 142055), (855, 85233), (2565, 28411)]