298727541

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 519321600

約数和(自身を除く): 220594059

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 137, 139, 189, 249, 411, 417, 581, 747, 959, 973, 1233, 1251, 1743, 2241, 2877, 2919, 3699, 3753, 5229, 8631, 8757, 11371, 11537, 15687, 19043, 25893, 26271, 34113, 34611, 57129, 79597, 80759, 102339, 103833, 133301, 171387, 238791, 242277, 307017, 311499, 399903, 514161, 716373, 726831, 1199709, 1580569, 2149119, 2180493, 3599127, 4741707, 11063983, 14225121, 33191949, 42675363, 99575847, 298727541]

約数ペア:

[(1, 298727541), (3, 99575847), (7, 42675363), (9, 33191949), (21, 14225121), (27, 11063983), (63, 4741707), (83, 3599127), (137, 2180493), (139, 2149119), (189, 1580569), (249, 1199709), (411, 726831), (417, 716373), (581, 514161), (747, 399903), (959, 311499), (973, 307017), (1233, 242277), (1251, 238791), (1743, 171387), (2241, 133301), (2877, 103833), (2919, 102339), (3699, 80759), (3753, 79597), (5229, 57129), (8631, 34611), (8757, 34113), (11371, 26271), (11537, 25893), (15687, 19043)]