88020009

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 159719040

約数和(自身を除く): 71699031

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 157, 231, 471, 693, 809, 1099, 1413, 1727, 2427, 3297, 5181, 5663, 7281, 8899, 9891, 12089, 15543, 16989, 26697, 36267, 50967, 62293, 80091, 108801, 127013, 186879, 381039, 560637, 889091, 1143117, 1397143, 2667273, 4191429, 8001819, 9780001, 12574287, 29340003, 88020009]

約数ペア:

[(1, 88020009), (3, 29340003), (7, 12574287), (9, 9780001), (11, 8001819), (21, 4191429), (33, 2667273), (63, 1397143), (77, 1143117), (99, 889091), (157, 560637), (231, 381039), (471, 186879), (693, 127013), (809, 108801), (1099, 80091), (1413, 62293), (1727, 50967), (2427, 36267), (3297, 26697), (5181, 16989), (5663, 15543), (7281, 12089), (8899, 9891)]