31894941

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{659}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 49230720

約数和(自身を除く): 17335779

約数列:

[1, 3, 13, 17, 39, 51, 73, 219, 221, 659, 663, 949, 1241, 1977, 2847, 3723, 8567, 11203, 16133, 25701, 33609, 48107, 48399, 144321, 145639, 436917, 625391, 817819, 1876173, 2453457, 10631647, 31894941]

約数ペア:

[(1, 31894941), (3, 10631647), (13, 2453457), (17, 1876173), (39, 817819), (51, 625391), (73, 436917), (219, 145639), (221, 144321), (659, 48399), (663, 48107), (949, 33609), (1241, 25701), (1977, 16133), (2847, 11203), (3723, 8567)]