138430655

素因数分解:

$5^1\times {\mathrm{11}}^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 40

約数和(自身を含む): 191713920

約数和(自身を除く): 53283265

約数列:

[1, 5, 11, 31, 55, 61, 121, 155, 305, 341, 605, 671, 1331, 1705, 1891, 3355, 3751, 6655, 7381, 9455, 14641, 18755, 20801, 36905, 41261, 73205, 81191, 104005, 206305, 228811, 405955, 453871, 893101, 1144055, 2269355, 2516921, 4465505, 12584605, 27686131, 138430655]

約数ペア:

[(1, 138430655), (5, 27686131), (11, 12584605), (31, 4465505), (55, 2516921), (61, 2269355), (121, 1144055), (155, 893101), (305, 453871), (341, 405955), (605, 228811), (671, 206305), (1331, 104005), (1705, 81191), (1891, 73205), (3355, 41261), (3751, 36905), (6655, 20801), (7381, 18755), (9455, 14641)]