28172535

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2411}}^1$

素因数の和:2479

約数の個数: 32

約数和(自身を含む): 48625920

約数和(自身を除く): 20453385

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 2337, 2411, 3895, 7233, 11685, 12055, 36165, 45809, 98851, 137427, 229045, 296553, 494255, 687135, 1482765, 1878169, 5634507, 9390845, 28172535]

約数ペア:

[(1, 28172535), (3, 9390845), (5, 5634507), (15, 1878169), (19, 1482765), (41, 687135), (57, 494255), (95, 296553), (123, 229045), (205, 137427), (285, 98851), (615, 45809), (779, 36165), (2337, 12055), (2411, 11685), (3895, 7233)]