28040523

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2267}}^1$

素因数の和:2327

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 18408117

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 2267, 4123, 6801, 12369, 15869, 43073, 47607, 70277, 129219, 210831, 301511, 491939, 904533, 1335263, 1475817, 4005789, 9346841, 28040523]

約数ペア:

[(1, 28040523), (3, 9346841), (7, 4005789), (19, 1475817), (21, 1335263), (31, 904533), (57, 491939), (93, 301511), (133, 210831), (217, 129219), (399, 70277), (589, 47607), (651, 43073), (1767, 15869), (2267, 12369), (4123, 6801)]