1640249541

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{299261}}^1$

素因数の和:299306

約数の個数: 32

約数和(自身を含む): 2872915200

約数和(自身を除く): 1232665659

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 5481, 299261, 897783, 2094827, 2693349, 6284481, 8080047, 8678569, 18853443, 26035707, 56560329, 60749983, 78107121, 182249949, 234321363, 546749847, 1640249541]

約数ペア:

[(1, 1640249541), (3, 546749847), (7, 234321363), (9, 182249949), (21, 78107121), (27, 60749983), (29, 56560329), (63, 26035707), (87, 18853443), (189, 8678569), (203, 8080047), (261, 6284481), (609, 2693349), (783, 2094827), (1827, 897783), (5481, 299261)]