51613215

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1867}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 87870720

約数和(自身を除く): 36257505

約数列:

[1, 3, 5, 15, 19, 57, 95, 97, 285, 291, 485, 1455, 1843, 1867, 5529, 5601, 9215, 9335, 27645, 28005, 35473, 106419, 177365, 181099, 532095, 543297, 905495, 2716485, 3440881, 10322643, 17204405, 51613215]

約数ペア:

[(1, 51613215), (3, 17204405), (5, 10322643), (15, 3440881), (19, 2716485), (57, 905495), (95, 543297), (97, 532095), (285, 181099), (291, 177365), (485, 106419), (1455, 35473), (1843, 28005), (1867, 27645), (5529, 9335), (5601, 9215)]