64064781

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:778

約数の個数: 36

約数和(自身を含む): 103013820

約数和(自身を除く): 38949039

約数列:

[1, 3, 9, 11, 33, 89, 99, 121, 267, 363, 661, 801, 979, 1089, 1983, 2937, 5949, 7271, 8811, 10769, 21813, 32307, 58829, 65439, 79981, 96921, 176487, 239943, 529461, 647119, 719829, 1941357, 5824071, 7118309, 21354927, 64064781]

約数ペア:

[(1, 64064781), (3, 21354927), (9, 7118309), (11, 5824071), (33, 1941357), (89, 719829), (99, 647119), (121, 529461), (267, 239943), (363, 176487), (661, 96921), (801, 79981), (979, 65439), (1089, 58829), (1983, 32307), (2937, 21813), (5949, 10769), (7271, 8811)]