1553268639

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{19231}}^1$

素因数の和:19375

約数の個数: 32

約数和(自身を含む): 2369382400

約数和(自身を除く): 816113761

約数列:

[1, 3, 13, 19, 39, 57, 109, 247, 327, 741, 1417, 2071, 4251, 6213, 19231, 26923, 57693, 80769, 250003, 365389, 750009, 1096167, 2096179, 4750057, 6288537, 14250171, 27250327, 39827401, 81750981, 119482203, 517756213, 1553268639]

約数ペア:

[(1, 1553268639), (3, 517756213), (13, 119482203), (19, 81750981), (39, 39827401), (57, 27250327), (109, 14250171), (247, 6288537), (327, 4750057), (741, 2096179), (1417, 1096167), (2071, 750009), (4251, 365389), (6213, 250003), (19231, 80769), (26923, 57693)]