16980399

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 27799200

約数和(自身を除く): 10818801

約数列:

[1, 3, 9, 17, 29, 43, 51, 87, 89, 129, 153, 261, 267, 387, 493, 731, 801, 1247, 1479, 1513, 2193, 2581, 3741, 3827, 4437, 4539, 6579, 7743, 11223, 11481, 13617, 21199, 23229, 34443, 43877, 63597, 65059, 110983, 131631, 190791, 195177, 332949, 394893, 585531, 998847, 1886711, 5660133, 16980399]

約数ペア:

[(1, 16980399), (3, 5660133), (9, 1886711), (17, 998847), (29, 585531), (43, 394893), (51, 332949), (87, 195177), (89, 190791), (129, 131631), (153, 110983), (261, 65059), (267, 63597), (387, 43877), (493, 34443), (731, 23229), (801, 21199), (1247, 13617), (1479, 11481), (1513, 11223), (2193, 7743), (2581, 6579), (3741, 4539), (3827, 4437)]