621320007

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2671}}^1$

素因数の和:2764

約数の個数: 64

約数和(自身を含む): 1108131840

約数和(自身を除く): 486811833

約数列:

[1, 3, 7, 11, 19, 21, 33, 53, 57, 77, 133, 159, 209, 231, 371, 399, 583, 627, 1007, 1113, 1463, 1749, 2671, 3021, 4081, 4389, 7049, 8013, 11077, 12243, 18697, 21147, 29381, 33231, 50749, 56091, 77539, 88143, 141563, 152247, 205667, 232617, 355243, 424689, 558239, 617001, 990941, 1065729, 1557193, 1674717, 2689697, 2972823, 3907673, 4671579, 8069091, 10900351, 11723019, 18827879, 29586667, 32701053, 56483637, 88760001, 207106669, 621320007]

約数ペア:

[(1, 621320007), (3, 207106669), (7, 88760001), (11, 56483637), (19, 32701053), (21, 29586667), (33, 18827879), (53, 11723019), (57, 10900351), (77, 8069091), (133, 4671579), (159, 3907673), (209, 2972823), (231, 2689697), (371, 1674717), (399, 1557193), (583, 1065729), (627, 990941), (1007, 617001), (1113, 558239), (1463, 424689), (1749, 355243), (2671, 232617), (3021, 205667), (4081, 152247), (4389, 141563), (7049, 88143), (8013, 77539), (11077, 56091), (12243, 50749), (18697, 33231), (21147, 29381)]