219377781

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61091}}^1$

素因数の和:61126

約数の個数: 32

約数和(自身を含む): 390988800

約数和(自身を除く): 171611019

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 61091, 183273, 427637, 549819, 1160729, 1282911, 1649457, 3482187, 3848733, 8125103, 10446561, 11546199, 24375309, 31339683, 73125927, 219377781]

約数ペア:

[(1, 219377781), (3, 73125927), (7, 31339683), (9, 24375309), (19, 11546199), (21, 10446561), (27, 8125103), (57, 3848733), (63, 3482187), (133, 1649457), (171, 1282911), (189, 1160729), (399, 549819), (513, 427637), (1197, 183273), (3591, 61091)]