128972679

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{907}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 195256320

約数和(自身を除く): 66283641

約数列:

[1, 3, 11, 31, 33, 93, 139, 341, 417, 907, 1023, 1529, 2721, 4309, 4587, 9977, 12927, 28117, 29931, 47399, 84351, 126073, 142197, 309287, 378219, 927861, 1386803, 3908263, 4160409, 11724789, 42990893, 128972679]

約数ペア:

[(1, 128972679), (3, 42990893), (11, 11724789), (31, 4160409), (33, 3908263), (93, 1386803), (139, 927861), (341, 378219), (417, 309287), (907, 142197), (1023, 126073), (1529, 84351), (2721, 47399), (4309, 29931), (4587, 28117), (9977, 12927)]