787802013

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{18401}}^1$

素因数の和:18545

約数の個数: 24

約数和(自身を含む): 1171250496

約数和(自身を除く): 383448483

約数列:

[1, 3, 9, 67, 71, 201, 213, 603, 639, 4757, 14271, 18401, 42813, 55203, 165609, 1232867, 1306471, 3698601, 3919413, 11095803, 11758239, 87533557, 262600671, 787802013]

約数ペア:

[(1, 787802013), (3, 262600671), (9, 87533557), (67, 11758239), (71, 11095803), (201, 3919413), (213, 3698601), (603, 1306471), (639, 1232867), (4757, 165609), (14271, 55203), (18401, 42813)]