31291611

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 48121920

約数和(自身を除く): 16830309

約数列:

[1, 3, 13, 17, 39, 51, 109, 221, 327, 433, 663, 1299, 1417, 1853, 4251, 5559, 5629, 7361, 16887, 22083, 24089, 47197, 72267, 95693, 141591, 287079, 613561, 802349, 1840683, 2407047, 10430537, 31291611]

約数ペア:

[(1, 31291611), (3, 10430537), (13, 2407047), (17, 1840683), (39, 802349), (51, 613561), (109, 287079), (221, 141591), (327, 95693), (433, 72267), (663, 47197), (1299, 24089), (1417, 22083), (1853, 16887), (4251, 7361), (5559, 5629)]