81027282

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{1399}}^1$

素因数の和:1615

約数の個数: 48

約数和(自身を含む): 189604800

約数和(自身を除く): 108577518

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 197, 294, 394, 591, 1182, 1379, 1399, 2758, 2798, 4137, 4197, 8274, 8394, 9653, 9793, 19306, 19586, 28959, 29379, 57918, 58758, 68551, 137102, 205653, 275603, 411306, 551206, 826809, 1653618, 1929221, 3858442, 5787663, 11575326, 13504547, 27009094, 40513641, 81027282]

約数ペア:

[(1, 81027282), (2, 40513641), (3, 27009094), (6, 13504547), (7, 11575326), (14, 5787663), (21, 3858442), (42, 1929221), (49, 1653618), (98, 826809), (147, 551206), (197, 411306), (294, 275603), (394, 205653), (591, 137102), (1182, 68551), (1379, 58758), (1399, 57918), (2758, 29379), (2798, 28959), (4137, 19586), (4197, 19306), (8274, 9793), (8394, 9653)]