220163139

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1213}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 377757952

約数和(自身を除く): 157594813

約数列:

[1, 3, 7, 9, 21, 43, 63, 67, 129, 201, 301, 387, 469, 603, 903, 1213, 1407, 2709, 2881, 3639, 4221, 8491, 8643, 10917, 20167, 25473, 25929, 52159, 60501, 76419, 81271, 156477, 181503, 243813, 365113, 469431, 568897, 731439, 1095339, 1706691, 3286017, 3494653, 5120073, 10483959, 24462571, 31451877, 73387713, 220163139]

約数ペア:

[(1, 220163139), (3, 73387713), (7, 31451877), (9, 24462571), (21, 10483959), (43, 5120073), (63, 3494653), (67, 3286017), (129, 1706691), (201, 1095339), (301, 731439), (387, 568897), (469, 469431), (603, 365113), (903, 243813), (1213, 181503), (1407, 156477), (2709, 81271), (2881, 76419), (3639, 60501), (4221, 52159), (8491, 25929), (8643, 25473), (10917, 20167)]