28038813

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 15299427

約数列:

[1, 3, 11, 19, 33, 57, 197, 209, 227, 591, 627, 681, 2167, 2497, 3743, 4313, 6501, 7491, 11229, 12939, 41173, 44719, 47443, 123519, 134157, 142329, 491909, 849661, 1475727, 2548983, 9346271, 28038813]

約数ペア:

[(1, 28038813), (3, 9346271), (11, 2548983), (19, 1475727), (33, 849661), (57, 491909), (197, 142329), (209, 134157), (227, 123519), (591, 47443), (627, 44719), (681, 41173), (2167, 12939), (2497, 11229), (3743, 7491), (4313, 6501)]