2138955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1567}}^1$

素因数の和:1595

約数の個数: 32

約数和(自身を含む): 4214784

約数和(自身を除く): 2075829

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 1567, 4701, 7835, 10969, 20371, 23505, 32907, 54845, 61113, 101855, 142597, 164535, 305565, 427791, 712985, 2138955]

約数ペア:

[(1, 2138955), (3, 712985), (5, 427791), (7, 305565), (13, 164535), (15, 142597), (21, 101855), (35, 61113), (39, 54845), (65, 32907), (91, 23505), (105, 20371), (195, 10969), (273, 7835), (455, 4701), (1365, 1567)]