198399369

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1759}}^1$

素因数の和:1941

約数の個数: 32

約数和(自身を含む): 312238080

約数和(自身を除く): 113838711

約数列:

[1, 3, 7, 21, 41, 123, 131, 287, 393, 861, 917, 1759, 2751, 5277, 5371, 12313, 16113, 36939, 37597, 72119, 112791, 216357, 230429, 504833, 691287, 1514499, 1613003, 4839009, 9447589, 28342767, 66133123, 198399369]

約数ペア:

[(1, 198399369), (3, 66133123), (7, 28342767), (21, 9447589), (41, 4839009), (123, 1613003), (131, 1514499), (287, 691287), (393, 504833), (861, 230429), (917, 216357), (1759, 112791), (2751, 72119), (5277, 37597), (5371, 36939), (12313, 16113)]