6978825

素因数分解:

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

素因数の和:244

約数の個数: 72

約数和(自身を含む): 14984160

約数和(自身を除く): 8005335

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 105, 135, 147, 175, 189, 211, 225, 245, 315, 441, 525, 633, 675, 735, 945, 1055, 1225, 1323, 1477, 1575, 1899, 2205, 3165, 3675, 4431, 4725, 5275, 5697, 6615, 7385, 9495, 10339, 11025, 13293, 15825, 22155, 28485, 31017, 33075, 36925, 39879, 47475, 51695, 66465, 93051, 110775, 142425, 155085, 199395, 258475, 279153, 332325, 465255, 775425, 996975, 1395765, 2326275, 6978825]

約数ペア:

[(1, 6978825), (3, 2326275), (5, 1395765), (7, 996975), (9, 775425), (15, 465255), (21, 332325), (25, 279153), (27, 258475), (35, 199395), (45, 155085), (49, 142425), (63, 110775), (75, 93051), (105, 66465), (135, 51695), (147, 47475), (175, 39879), (189, 36925), (211, 33075), (225, 31017), (245, 28485), (315, 22155), (441, 15825), (525, 13293), (633, 11025), (675, 10339), (735, 9495), (945, 7385), (1055, 6615), (1225, 5697), (1323, 5275), (1477, 4725), (1575, 4431), (1899, 3675), (2205, 3165)]