31542489

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 53726400

約数和(自身を除く): 22183911

約数列:

[1, 3, 9, 11, 19, 33, 41, 57, 99, 123, 171, 209, 369, 409, 451, 627, 779, 1227, 1353, 1881, 2337, 3681, 4059, 4499, 7011, 7771, 8569, 13497, 16769, 23313, 25707, 40491, 50307, 69939, 77121, 85481, 150921, 184459, 256443, 318611, 553377, 769329, 955833, 1660131, 2867499, 3504721, 10514163, 31542489]

約数ペア:

[(1, 31542489), (3, 10514163), (9, 3504721), (11, 2867499), (19, 1660131), (33, 955833), (41, 769329), (57, 553377), (99, 318611), (123, 256443), (171, 184459), (209, 150921), (369, 85481), (409, 77121), (451, 69939), (627, 50307), (779, 40491), (1227, 25707), (1353, 23313), (1881, 16769), (2337, 13497), (3681, 8569), (4059, 7771), (4499, 7011)]