16781145

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 28311552

約数和(自身を除く): 11530407

約数列:

[1, 3, 5, 15, 23, 69, 115, 127, 345, 381, 383, 635, 1149, 1905, 1915, 2921, 5745, 8763, 8809, 14605, 26427, 43815, 44045, 48641, 132135, 145923, 243205, 729615, 1118743, 3356229, 5593715, 16781145]

約数ペア:

[(1, 16781145), (3, 5593715), (5, 3356229), (15, 1118743), (23, 729615), (69, 243205), (115, 145923), (127, 132135), (345, 48641), (381, 44045), (383, 43815), (635, 26427), (1149, 14605), (1905, 8809), (1915, 8763), (2921, 5745)]