78556473

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:759

約数の個数: 40

約数和(自身を含む): 125844840

約数和(自身を除く): 47288367

約数列:

[1, 3, 9, 17, 27, 51, 81, 89, 153, 267, 459, 641, 801, 1377, 1513, 1923, 2403, 4539, 5769, 7209, 10897, 13617, 17307, 32691, 40851, 51921, 57049, 98073, 122553, 171147, 294219, 513441, 882657, 969833, 1540323, 2909499, 4620969, 8728497, 26185491, 78556473]

約数ペア:

[(1, 78556473), (3, 26185491), (9, 8728497), (17, 4620969), (27, 2909499), (51, 1540323), (81, 969833), (89, 882657), (153, 513441), (267, 294219), (459, 171147), (641, 122553), (801, 98073), (1377, 57049), (1513, 51921), (1923, 40851), (2403, 32691), (4539, 17307), (5769, 13617), (7209, 10897)]