99971289

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{91801}}^1$

素因数の和:91829

約数の個数: 18

約数和(自身を含む): 158725658

約数和(自身を除く): 58754369

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 91801, 275403, 826209, 1009811, 3029433, 9088299, 11107921, 33323763, 99971289]

約数ペア:

[(1, 99971289), (3, 33323763), (9, 11107921), (11, 9088299), (33, 3029433), (99, 1009811), (121, 826209), (363, 275403), (1089, 91801)]