16306215

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 26998272

約数和(自身を除く): 10692057

約数列:

[1, 3, 5, 15, 61, 71, 183, 213, 251, 305, 355, 753, 915, 1065, 1255, 3765, 4331, 12993, 15311, 17821, 21655, 45933, 53463, 64965, 76555, 89105, 229665, 267315, 1087081, 3261243, 5435405, 16306215]

約数ペア:

[(1, 16306215), (3, 5435405), (5, 3261243), (15, 1087081), (61, 267315), (71, 229665), (183, 89105), (213, 76555), (251, 64965), (305, 53463), (355, 45933), (753, 21655), (915, 17821), (1065, 15311), (1255, 12993), (3765, 4331)]