399507615

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{1213}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 747688032

約数和(自身を除く): 348180417

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 563, 585, 1213, 1689, 2815, 3639, 5067, 6065, 7319, 8445, 10917, 15769, 18195, 21957, 25335, 36595, 47307, 54585, 65871, 78845, 109785, 141921, 236535, 329355, 682919, 709605, 2048757, 3414595, 6146271, 8877947, 10243785, 26633841, 30731355, 44389735, 79901523, 133169205, 399507615]

約数ペア:

[(1, 399507615), (3, 133169205), (5, 79901523), (9, 44389735), (13, 30731355), (15, 26633841), (39, 10243785), (45, 8877947), (65, 6146271), (117, 3414595), (195, 2048757), (563, 709605), (585, 682919), (1213, 329355), (1689, 236535), (2815, 141921), (3639, 109785), (5067, 78845), (6065, 65871), (7319, 54585), (8445, 47307), (10917, 36595), (15769, 25335), (18195, 21957)]