278323314243

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{7201307}}^1$

素因数の和:7202314

約数の個数: 16

約数和(自身を含む): 400047062016

約数和(自身を除く): 121723747773

約数列:

[1, 3, 13, 39, 991, 2973, 12883, 38649, 7201307, 21603921, 93616991, 280850973, 7136495237, 21409485711, 92774438081, 278323314243]

約数ペア:

[(1, 278323314243), (3, 92774438081), (13, 21409485711), (39, 7136495237), (991, 280850973), (2973, 93616991), (12883, 21603921), (38649, 7201307)]