25469775

素因数分解:

$3^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 47392800

約数和(自身を除く): 21923025

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 97, 135, 225, 291, 389, 485, 675, 873, 1167, 1455, 1945, 2425, 2619, 3501, 4365, 5835, 7275, 9725, 10503, 13095, 17505, 21825, 29175, 37733, 52515, 65475, 87525, 113199, 188665, 262575, 339597, 565995, 943325, 1018791, 1697985, 2829975, 5093955, 8489925, 25469775]

約数ペア:

[(1, 25469775), (3, 8489925), (5, 5093955), (9, 2829975), (15, 1697985), (25, 1018791), (27, 943325), (45, 565995), (75, 339597), (97, 262575), (135, 188665), (225, 113199), (291, 87525), (389, 65475), (485, 52515), (675, 37733), (873, 29175), (1167, 21825), (1455, 17505), (1945, 13095), (2425, 10503), (2619, 9725), (3501, 7275), (4365, 5835)]