221447787

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{1789}}^1$

素因数の和:1856

約数の個数: 32

約数和(自身を含む): 335431680

約数和(自身を除く): 113983893

約数列:

[1, 3, 11, 31, 33, 93, 121, 341, 363, 1023, 1331, 1789, 3751, 3993, 5367, 11253, 19679, 41261, 55459, 59037, 123783, 166377, 216469, 610049, 649407, 1830147, 2381159, 6710539, 7143477, 20131617, 73815929, 221447787]

約数ペア:

[(1, 221447787), (3, 73815929), (11, 20131617), (31, 7143477), (33, 6710539), (93, 2381159), (121, 1830147), (341, 649407), (363, 610049), (1023, 216469), (1331, 166377), (1789, 123783), (3751, 59037), (3993, 55459), (5367, 41261), (11253, 19679)]