273281281

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{541}}^1$

素因数の和:642

約数の個数: 36

約数和(自身を含む): 350523324

約数和(自身を除く): 77242043

約数列:

[1, 7, 13, 49, 61, 91, 169, 427, 541, 637, 793, 1183, 2989, 3787, 5551, 7033, 8281, 10309, 26509, 33001, 38857, 49231, 72163, 91429, 231007, 344617, 429013, 505141, 640003, 1617049, 3003091, 4480021, 5577169, 21021637, 39040183, 273281281]

約数ペア:

[(1, 273281281), (7, 39040183), (13, 21021637), (49, 5577169), (61, 4480021), (91, 3003091), (169, 1617049), (427, 640003), (541, 505141), (637, 429013), (793, 344617), (1183, 231007), (2989, 91429), (3787, 72163), (5551, 49231), (7033, 38857), (8281, 33001), (10309, 26509)]