29872791

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 51420096

約数和(自身を除く): 21547305

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 391, 653, 663, 897, 1173, 1959, 1989, 2691, 3519, 5083, 5877, 8489, 11101, 15019, 15249, 25467, 33303, 45057, 45747, 76401, 99909, 135171, 144313, 195247, 255323, 432939, 585741, 765969, 1298817, 1757223, 2297907, 3319199, 9957597, 29872791]

約数ペア:

[(1, 29872791), (3, 9957597), (9, 3319199), (13, 2297907), (17, 1757223), (23, 1298817), (39, 765969), (51, 585741), (69, 432939), (117, 255323), (153, 195247), (207, 144313), (221, 135171), (299, 99909), (391, 76401), (653, 45747), (663, 45057), (897, 33303), (1173, 25467), (1959, 15249), (1989, 15019), (2691, 11101), (3519, 8489), (5083, 5877)]