2778015

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:183

約数の個数: 32

約数和(自身を含む): 4688640

約数和(自身を除く): 1910625

約数列:

[1, 3, 5, 15, 43, 59, 73, 129, 177, 215, 219, 295, 365, 645, 885, 1095, 2537, 3139, 4307, 7611, 9417, 12685, 12921, 15695, 21535, 38055, 47085, 64605, 185201, 555603, 926005, 2778015]

約数ペア:

[(1, 2778015), (3, 926005), (5, 555603), (15, 185201), (43, 64605), (59, 47085), (73, 38055), (129, 21535), (177, 15695), (215, 12921), (219, 12685), (295, 9417), (365, 7611), (645, 4307), (885, 3139), (1095, 2537)]