2990925

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{211}}^1$

素因数の和:240

約数の個数: 60

約数和(自身を含む): 6361696

約数和(自身を除く): 3370771

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 211, 225, 315, 405, 525, 567, 633, 675, 945, 1055, 1477, 1575, 1899, 2025, 2835, 3165, 4431, 4725, 5275, 5697, 7385, 9495, 13293, 14175, 15825, 17091, 22155, 28485, 36925, 39879, 47475, 66465, 85455, 110775, 119637, 142425, 199395, 332325, 427275, 598185, 996975, 2990925]

約数ペア:

[(1, 2990925), (3, 996975), (5, 598185), (7, 427275), (9, 332325), (15, 199395), (21, 142425), (25, 119637), (27, 110775), (35, 85455), (45, 66465), (63, 47475), (75, 39879), (81, 36925), (105, 28485), (135, 22155), (175, 17091), (189, 15825), (211, 14175), (225, 13293), (315, 9495), (405, 7385), (525, 5697), (567, 5275), (633, 4725), (675, 4431), (945, 3165), (1055, 2835), (1477, 2025), (1575, 1899)]