15890979

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1231}}^1$

素因数の和:1578

約数の個数: 16

約数和(自身を含む): 22905344

約数和(自身を除く): 7014365

約数列:

[1, 3, 13, 39, 331, 993, 1231, 3693, 4303, 12909, 16003, 48009, 407461, 1222383, 5296993, 15890979]

約数ペア:

[(1, 15890979), (3, 5296993), (13, 1222383), (39, 407461), (331, 48009), (993, 16003), (1231, 12909), (3693, 4303)]