2013180561

素因数分解:

$3^4\times 7^1\times {\mathrm{541}}^1\times {\mathrm{6563}}^1$

素因数の和:7123

約数の個数: 40

約数和(自身を含む): 3443841984

約数和(自身を除く): 1430661423

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 541, 567, 1623, 3787, 4869, 6563, 11361, 14607, 19689, 34083, 43821, 45941, 59067, 102249, 137823, 177201, 306747, 413469, 531603, 1240407, 3550583, 3721221, 10651749, 24854081, 31955247, 74562243, 95865741, 223686729, 287597223, 671060187, 2013180561]

約数ペア:

[(1, 2013180561), (3, 671060187), (7, 287597223), (9, 223686729), (21, 95865741), (27, 74562243), (63, 31955247), (81, 24854081), (189, 10651749), (541, 3721221), (567, 3550583), (1623, 1240407), (3787, 531603), (4869, 413469), (6563, 306747), (11361, 177201), (14607, 137823), (19689, 102249), (34083, 59067), (43821, 45941)]