2981835

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 5601024

約数和(自身を除く): 2619189

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 67, 69, 115, 129, 201, 207, 215, 335, 345, 387, 603, 645, 989, 1005, 1035, 1541, 1935, 2881, 2967, 3015, 4623, 4945, 7705, 8643, 8901, 13869, 14405, 14835, 23115, 25929, 43215, 44505, 66263, 69345, 129645, 198789, 331315, 596367, 993945, 2981835]

約数ペア:

[(1, 2981835), (3, 993945), (5, 596367), (9, 331315), (15, 198789), (23, 129645), (43, 69345), (45, 66263), (67, 44505), (69, 43215), (115, 25929), (129, 23115), (201, 14835), (207, 14405), (215, 13869), (335, 8901), (345, 8643), (387, 7705), (603, 4945), (645, 4623), (989, 3015), (1005, 2967), (1035, 2881), (1541, 1935)]