531567309

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{8147}}^1$

素因数の和:8409

約数の個数: 32

約数和(自身を含む): 876072960

約数和(自身を除く): 344505651

約数列:

[1, 3, 7, 13, 21, 39, 91, 239, 273, 717, 1673, 3107, 5019, 8147, 9321, 21749, 24441, 57029, 65247, 105911, 171087, 317733, 741377, 1947133, 2224131, 5841399, 13629931, 25312729, 40889793, 75938187, 177189103, 531567309]

約数ペア:

[(1, 531567309), (3, 177189103), (7, 75938187), (13, 40889793), (21, 25312729), (39, 13629931), (91, 5841399), (239, 2224131), (273, 1947133), (717, 741377), (1673, 317733), (3107, 171087), (5019, 105911), (8147, 65247), (9321, 57029), (21749, 24441)]