287484873

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{409}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 421545600

約数和(自身を除く): 134060727

約数列:

[1, 3, 13, 39, 67, 201, 269, 409, 807, 871, 1227, 2613, 3497, 5317, 10491, 15951, 18023, 27403, 54069, 82209, 110021, 234299, 330063, 356239, 702897, 1068717, 1430273, 4290819, 7371407, 22114221, 95828291, 287484873]

約数ペア:

[(1, 287484873), (3, 95828291), (13, 22114221), (39, 7371407), (67, 4290819), (201, 1430273), (269, 1068717), (409, 702897), (807, 356239), (871, 330063), (1227, 234299), (2613, 110021), (3497, 82209), (5317, 54069), (10491, 27403), (15951, 18023)]