80214561

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3527}}^1$

素因数の和:3578

約数の個数: 36

約数和(自身を含む): 139793472

約数和(自身を除く): 59578911

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 361, 399, 1083, 1197, 2527, 3249, 3527, 7581, 10581, 22743, 24689, 31743, 67013, 74067, 201039, 222201, 469091, 603117, 1273247, 1407273, 3819741, 4221819, 8912729, 11459223, 26738187, 80214561]

約数ペア:

[(1, 80214561), (3, 26738187), (7, 11459223), (9, 8912729), (19, 4221819), (21, 3819741), (57, 1407273), (63, 1273247), (133, 603117), (171, 469091), (361, 222201), (399, 201039), (1083, 74067), (1197, 67013), (2527, 31743), (3249, 24689), (3527, 22743), (7581, 10581)]