2188515

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1097}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 4216320

約数和(自身を除く): 2027805

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1097, 1995, 3291, 5485, 7679, 16455, 20843, 23037, 38395, 62529, 104215, 115185, 145901, 312645, 437703, 729505, 2188515]

約数ペア:

[(1, 2188515), (3, 729505), (5, 437703), (7, 312645), (15, 145901), (19, 115185), (21, 104215), (35, 62529), (57, 38395), (95, 23037), (105, 20843), (133, 16455), (285, 7679), (399, 5485), (665, 3291), (1097, 1995)]