210590985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 392221440

約数和(自身を除く): 181630455

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 193, 255, 389, 561, 579, 935, 965, 1167, 1945, 2123, 2805, 2895, 3281, 4279, 5835, 6369, 6613, 9843, 10615, 12837, 16405, 19839, 21395, 31845, 33065, 36091, 49215, 64185, 72743, 75077, 99195, 108273, 180455, 218229, 225231, 363715, 375385, 541365, 825847, 1091145, 1126155, 1276309, 2477541, 3828927, 4129235, 6381545, 12387705, 14039399, 19144635, 42118197, 70196995, 210590985]

約数ペア:

[(1, 210590985), (3, 70196995), (5, 42118197), (11, 19144635), (15, 14039399), (17, 12387705), (33, 6381545), (51, 4129235), (55, 3828927), (85, 2477541), (165, 1276309), (187, 1126155), (193, 1091145), (255, 825847), (389, 541365), (561, 375385), (579, 363715), (935, 225231), (965, 218229), (1167, 180455), (1945, 108273), (2123, 99195), (2805, 75077), (2895, 72743), (3281, 64185), (4279, 49215), (5835, 36091), (6369, 33065), (6613, 31845), (9843, 21395), (10615, 19839), (12837, 16405)]