61971885

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9001}}^1$

素因数の和:9035

約数の個数: 40

約数和(自身を含む): 117638136

約数和(自身を除く): 55666251

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 9001, 27003, 45005, 81009, 135015, 153017, 243027, 405045, 459051, 729081, 765085, 1215135, 1377153, 2295255, 3645405, 4131459, 6885765, 12394377, 20657295, 61971885]

約数ペア:

[(1, 61971885), (3, 20657295), (5, 12394377), (9, 6885765), (15, 4131459), (17, 3645405), (27, 2295255), (45, 1377153), (51, 1215135), (81, 765085), (85, 729081), (135, 459051), (153, 405045), (255, 243027), (405, 153017), (459, 135015), (765, 81009), (1377, 45005), (2295, 27003), (6885, 9001)]