2489025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 5142528

約数和(自身を除く): 2653503

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 431, 525, 825, 1155, 1293, 1925, 2155, 3017, 4741, 5775, 6465, 9051, 10775, 14223, 15085, 23705, 32325, 33187, 45255, 71115, 75425, 99561, 118525, 165935, 226275, 355575, 497805, 829675, 2489025]

約数ペア:

[(1, 2489025), (3, 829675), (5, 497805), (7, 355575), (11, 226275), (15, 165935), (21, 118525), (25, 99561), (33, 75425), (35, 71115), (55, 45255), (75, 33187), (77, 32325), (105, 23705), (165, 15085), (175, 14223), (231, 10775), (275, 9051), (385, 6465), (431, 5775), (525, 4741), (825, 3017), (1155, 2155), (1293, 1925)]