1991232075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{130787}}^1$

素因数の和:130836

約数の個数: 48

約数和(自身を含む): 3892250880

約数和(自身を除く): 1901018805

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 75, 87, 105, 145, 175, 203, 435, 525, 609, 725, 1015, 2175, 3045, 5075, 15225, 130787, 392361, 653935, 915509, 1961805, 2746527, 3269675, 3792823, 4577545, 9809025, 11378469, 13732635, 18964115, 22887725, 26549761, 56892345, 68663175, 79649283, 94820575, 132748805, 284461725, 398246415, 663744025, 1991232075]

約数ペア:

[(1, 1991232075), (3, 663744025), (5, 398246415), (7, 284461725), (15, 132748805), (21, 94820575), (25, 79649283), (29, 68663175), (35, 56892345), (75, 26549761), (87, 22887725), (105, 18964115), (145, 13732635), (175, 11378469), (203, 9809025), (435, 4577545), (525, 3792823), (609, 3269675), (725, 2746527), (1015, 1961805), (2175, 915509), (3045, 653935), (5075, 392361), (15225, 130787)]