291235473

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{727}}^1$

素因数の和:1174

約数の個数: 32

約数和(自身を含む): 444837120

約数和(自身を除く): 153601647

約数列:

[1, 3, 9, 27, 37, 111, 333, 401, 727, 999, 1203, 2181, 3609, 6543, 10827, 14837, 19629, 26899, 44511, 80697, 133533, 242091, 291527, 400599, 726273, 874581, 2623743, 7871229, 10786499, 32359497, 97078491, 291235473]

約数ペア:

[(1, 291235473), (3, 97078491), (9, 32359497), (27, 10786499), (37, 7871229), (111, 2623743), (333, 874581), (401, 726273), (727, 400599), (999, 291527), (1203, 242091), (2181, 133533), (3609, 80697), (6543, 44511), (10827, 26899), (14837, 19629)]