85840215

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{677}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 140590080

約数和(自身を除く): 54749865

約数列:

[1, 3, 5, 15, 79, 107, 237, 321, 395, 535, 677, 1185, 1605, 2031, 3385, 8453, 10155, 25359, 42265, 53483, 72439, 126795, 160449, 217317, 267415, 362195, 802245, 1086585, 5722681, 17168043, 28613405, 85840215]

約数ペア:

[(1, 85840215), (3, 28613405), (5, 17168043), (15, 5722681), (79, 1086585), (107, 802245), (237, 362195), (321, 267415), (395, 217317), (535, 160449), (677, 126795), (1185, 72439), (1605, 53483), (2031, 42265), (3385, 25359), (8453, 10155)]