2587515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1297}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 4984320

約数和(自身を除く): 2396805

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1297, 1995, 3891, 6485, 9079, 19455, 24643, 27237, 45395, 73929, 123215, 136185, 172501, 369645, 517503, 862505, 2587515]

約数ペア:

[(1, 2587515), (3, 862505), (5, 517503), (7, 369645), (15, 172501), (19, 136185), (21, 123215), (35, 73929), (57, 45395), (95, 27237), (105, 24643), (133, 19455), (285, 9079), (399, 6485), (665, 3891), (1297, 1995)]