22278789

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 38368512

約数和(自身を除く): 16089723

約数列:

[1, 3, 9, 13, 17, 23, 39, 51, 69, 117, 153, 207, 221, 299, 391, 487, 663, 897, 1173, 1461, 1989, 2691, 3519, 4383, 5083, 6331, 8279, 11201, 15249, 18993, 24837, 33603, 45747, 56979, 74511, 100809, 107627, 145613, 190417, 322881, 436839, 571251, 968643, 1310517, 1713753, 2475421, 7426263, 22278789]

約数ペア:

[(1, 22278789), (3, 7426263), (9, 2475421), (13, 1713753), (17, 1310517), (23, 968643), (39, 571251), (51, 436839), (69, 322881), (117, 190417), (153, 145613), (207, 107627), (221, 100809), (299, 74511), (391, 56979), (487, 45747), (663, 33603), (897, 24837), (1173, 18993), (1461, 15249), (1989, 11201), (2691, 8279), (3519, 6331), (4383, 5083)]