1980972195

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3221093}}^1$

素因数の和:3221142

約数の個数: 16

約数和(自身を含む): 3246862752

約数和(自身を除く): 1265890557

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 3221093, 9663279, 16105465, 48316395, 132064813, 396194439, 660324065, 1980972195]

約数ペア:

[(1, 1980972195), (3, 660324065), (5, 396194439), (15, 132064813), (41, 48316395), (123, 16105465), (205, 9663279), (615, 3221093)]