2091735

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 3953664

約数和(自身を除く): 1861929

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 47, 69, 115, 129, 141, 207, 215, 235, 345, 387, 423, 645, 705, 989, 1035, 1081, 1935, 2021, 2115, 2967, 3243, 4945, 5405, 6063, 8901, 9729, 10105, 14835, 16215, 18189, 30315, 44505, 46483, 48645, 90945, 139449, 232415, 418347, 697245, 2091735]

約数ペア:

[(1, 2091735), (3, 697245), (5, 418347), (9, 232415), (15, 139449), (23, 90945), (43, 48645), (45, 46483), (47, 44505), (69, 30315), (115, 18189), (129, 16215), (141, 14835), (207, 10105), (215, 9729), (235, 8901), (345, 6063), (387, 5405), (423, 4945), (645, 3243), (705, 2967), (989, 2115), (1035, 2021), (1081, 1935)]