721852011

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{631}}^1\times {\mathrm{7477}}^1$

素因数の和:8131

約数の個数: 24

約数和(自身を含む): 1105906464

約数和(自身を除く): 384054453

約数列:

[1, 3, 9, 17, 51, 153, 631, 1893, 5679, 7477, 10727, 22431, 32181, 67293, 96543, 127109, 381327, 1143981, 4717987, 14153961, 42461883, 80205779, 240617337, 721852011]

約数ペア:

[(1, 721852011), (3, 240617337), (9, 80205779), (17, 42461883), (51, 14153961), (153, 4717987), (631, 1143981), (1893, 381327), (5679, 127109), (7477, 96543), (10727, 67293), (22431, 32181)]