726740931

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{743}}^1\times {\mathrm{991}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 1133641728

約数和(自身を除く): 406900797

約数列:

[1, 3, 7, 21, 47, 141, 329, 743, 987, 991, 2229, 2973, 5201, 6937, 15603, 20811, 34921, 46577, 104763, 139731, 244447, 326039, 733341, 736313, 978117, 2208939, 5154191, 15462573, 34606711, 103820133, 242246977, 726740931]

約数ペア:

[(1, 726740931), (3, 242246977), (7, 103820133), (21, 34606711), (47, 15462573), (141, 5154191), (329, 2208939), (743, 978117), (987, 736313), (991, 733341), (2229, 326039), (2973, 244447), (5201, 139731), (6937, 104763), (15603, 46577), (20811, 34921)]