27921390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4289}}^1$

素因数の和:4337

約数の個数: 64

約数和(自身を含む): 79073280

約数和(自身を除く): 51151890

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 1085, 1302, 2170, 3255, 4289, 6510, 8578, 12867, 21445, 25734, 30023, 42890, 60046, 64335, 90069, 128670, 132959, 150115, 180138, 265918, 300230, 398877, 450345, 664795, 797754, 900690, 930713, 1329590, 1861426, 1994385, 2792139, 3988770, 4653565, 5584278, 9307130, 13960695, 27921390]

約数ペア:

[(1, 27921390), (2, 13960695), (3, 9307130), (5, 5584278), (6, 4653565), (7, 3988770), (10, 2792139), (14, 1994385), (15, 1861426), (21, 1329590), (30, 930713), (31, 900690), (35, 797754), (42, 664795), (62, 450345), (70, 398877), (93, 300230), (105, 265918), (155, 180138), (186, 150115), (210, 132959), (217, 128670), (310, 90069), (434, 64335), (465, 60046), (651, 42890), (930, 30023), (1085, 25734), (1302, 21445), (2170, 12867), (3255, 8578), (4289, 6510)]