28191729

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6211}}^1$

素因数の和:6320

約数の個数: 16

約数和(自身を含む): 40253760

約数和(自身を除く): 12062031

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 6211, 18633, 105587, 316761, 552779, 1658337, 9397243, 28191729]

約数ペア:

[(1, 28191729), (3, 9397243), (17, 1658337), (51, 552779), (89, 316761), (267, 105587), (1513, 18633), (4539, 6211)]