81619635

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{967}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 138834432

約数和(自身を除く): 57214797

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 331, 967, 993, 1655, 2901, 4835, 4965, 5627, 14505, 16439, 16881, 28135, 49317, 82195, 84405, 246585, 320077, 960231, 1600385, 4801155, 5441309, 16323927, 27206545, 81619635]

約数ペア:

[(1, 81619635), (3, 27206545), (5, 16323927), (15, 5441309), (17, 4801155), (51, 1600385), (85, 960231), (255, 320077), (331, 246585), (967, 84405), (993, 82195), (1655, 49317), (2901, 28135), (4835, 16881), (4965, 16439), (5627, 14505)]