42870789

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 71058624

約数和(自身を除く): 28187835

約数列:

[1, 3, 9, 13, 27, 39, 41, 81, 117, 123, 243, 331, 351, 369, 533, 993, 1053, 1107, 1599, 2979, 3159, 3321, 4303, 4797, 8937, 9963, 12909, 13571, 14391, 26811, 38727, 40713, 43173, 80433, 116181, 122139, 129519, 176423, 348543, 366417, 529269, 1045629, 1099251, 1587807, 3297753, 4763421, 14290263, 42870789]

約数ペア:

[(1, 42870789), (3, 14290263), (9, 4763421), (13, 3297753), (27, 1587807), (39, 1099251), (41, 1045629), (81, 529269), (117, 366417), (123, 348543), (243, 176423), (331, 129519), (351, 122139), (369, 116181), (533, 80433), (993, 43173), (1053, 40713), (1107, 38727), (1599, 26811), (2979, 14391), (3159, 13571), (3321, 12909), (4303, 9963), (4797, 8937)]