27990756

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:361

約数の個数: 72

約数和(自身を含む): 73592064

約数和(自身を除く): 45601308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 71, 94, 141, 142, 188, 213, 233, 282, 284, 423, 426, 466, 564, 639, 699, 846, 852, 932, 1278, 1398, 1692, 2097, 2556, 2796, 3337, 4194, 6674, 8388, 10011, 10951, 13348, 16543, 20022, 21902, 30033, 32853, 33086, 40044, 43804, 49629, 60066, 65706, 66172, 98559, 99258, 120132, 131412, 148887, 197118, 198516, 297774, 394236, 595548, 777521, 1555042, 2332563, 3110084, 4665126, 6997689, 9330252, 13995378, 27990756]

約数ペア:

[(1, 27990756), (2, 13995378), (3, 9330252), (4, 6997689), (6, 4665126), (9, 3110084), (12, 2332563), (18, 1555042), (36, 777521), (47, 595548), (71, 394236), (94, 297774), (141, 198516), (142, 197118), (188, 148887), (213, 131412), (233, 120132), (282, 99258), (284, 98559), (423, 66172), (426, 65706), (466, 60066), (564, 49629), (639, 43804), (699, 40044), (846, 33086), (852, 32853), (932, 30033), (1278, 21902), (1398, 20022), (1692, 16543), (2097, 13348), (2556, 10951), (2796, 10011), (3337, 8388), (4194, 6674)]