1291563

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 2446080

約数和(自身を除く): 1154517

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 83, 91, 117, 133, 171, 247, 249, 273, 399, 581, 741, 747, 819, 1079, 1197, 1577, 1729, 1743, 2223, 3237, 4731, 5187, 5229, 7553, 9711, 11039, 14193, 15561, 20501, 22659, 33117, 61503, 67977, 99351, 143507, 184509, 430521, 1291563]

約数ペア:

[(1, 1291563), (3, 430521), (7, 184509), (9, 143507), (13, 99351), (19, 67977), (21, 61503), (39, 33117), (57, 22659), (63, 20501), (83, 15561), (91, 14193), (117, 11039), (133, 9711), (171, 7553), (247, 5229), (249, 5187), (273, 4731), (399, 3237), (581, 2223), (741, 1743), (747, 1729), (819, 1577), (1079, 1197)]