728238819

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{743}}^1\times {\mathrm{4243}}^1$

素因数の和:5007

約数の個数: 32

約数和(自身を含む): 1212493824

約数和(自身を除く): 484255005

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 743, 2229, 4243, 5201, 8173, 12729, 15603, 24519, 29701, 46673, 57211, 89103, 140019, 171633, 326711, 980133, 3152549, 9457647, 22067843, 34678039, 66203529, 104034117, 242746273, 728238819]

約数ペア:

[(1, 728238819), (3, 242746273), (7, 104034117), (11, 66203529), (21, 34678039), (33, 22067843), (77, 9457647), (231, 3152549), (743, 980133), (2229, 326711), (4243, 171633), (5201, 140019), (8173, 89103), (12729, 57211), (15603, 46673), (24519, 29701)]