281036691

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{4297}}^1$

素因数の和:4372

約数の個数: 36

約数和(自身を含む): 449897448

約数和(自身を除く): 168860757

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 169, 387, 507, 559, 1521, 1677, 4297, 5031, 7267, 12891, 21801, 38673, 55861, 65403, 167583, 184771, 502749, 554313, 726193, 1662939, 2178579, 2402023, 6535737, 7206069, 21618207, 31226299, 93678897, 281036691]

約数ペア:

[(1, 281036691), (3, 93678897), (9, 31226299), (13, 21618207), (39, 7206069), (43, 6535737), (117, 2402023), (129, 2178579), (169, 1662939), (387, 726193), (507, 554313), (559, 502749), (1521, 184771), (1677, 167583), (4297, 65403), (5031, 55861), (7267, 38673), (12891, 21801)]