208694019

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 298598400

約数和(自身を除く): 89904381

約数列:

[1, 3, 23, 53, 69, 149, 159, 383, 447, 1149, 1219, 3427, 3657, 7897, 8809, 10281, 20299, 23691, 26427, 57067, 60897, 171201, 181631, 466877, 544893, 1312541, 1400631, 3024551, 3937623, 9073653, 69564673, 208694019]

約数ペア:

[(1, 208694019), (3, 69564673), (23, 9073653), (53, 3937623), (69, 3024551), (149, 1400631), (159, 1312541), (383, 544893), (447, 466877), (1149, 181631), (1219, 171201), (3427, 60897), (3657, 57067), (7897, 26427), (8809, 23691), (10281, 20299)]