2192505

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 4322880

約数和(自身を除く): 2130375

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 157, 245, 285, 399, 471, 665, 735, 785, 931, 1099, 1995, 2355, 2793, 2983, 3297, 4655, 5495, 7693, 8949, 13965, 14915, 16485, 20881, 23079, 38465, 44745, 62643, 104405, 115395, 146167, 313215, 438501, 730835, 2192505]

約数ペア:

[(1, 2192505), (3, 730835), (5, 438501), (7, 313215), (15, 146167), (19, 115395), (21, 104405), (35, 62643), (49, 44745), (57, 38465), (95, 23079), (105, 20881), (133, 16485), (147, 14915), (157, 13965), (245, 8949), (285, 7693), (399, 5495), (471, 4655), (665, 3297), (735, 2983), (785, 2793), (931, 2355), (1099, 1995)]