69291789

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 109830144

約数和(自身を除く): 40538355

約数列:

[1, 3, 7, 21, 31, 93, 163, 217, 489, 651, 653, 1141, 1959, 3423, 4571, 5053, 13713, 15159, 20243, 35371, 60729, 106113, 106439, 141701, 319317, 425103, 745073, 2235219, 3299609, 9898827, 23097263, 69291789]

約数ペア:

[(1, 69291789), (3, 23097263), (7, 9898827), (21, 3299609), (31, 2235219), (93, 745073), (163, 425103), (217, 319317), (489, 141701), (651, 106439), (653, 106113), (1141, 60729), (1959, 35371), (3423, 20243), (4571, 15159), (5053, 13713)]