398049345

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^2\times {\mathrm{67}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 728896896

約数和(自身を除く): 330847551

約数列:

[1, 3, 5, 9, 15, 45, 47, 53, 67, 141, 159, 201, 235, 265, 335, 423, 477, 603, 705, 795, 1005, 2115, 2385, 2491, 2809, 3015, 3149, 3551, 7473, 8427, 9447, 10653, 12455, 14045, 15745, 17755, 22419, 25281, 28341, 31959, 37365, 42135, 47235, 53265, 112095, 126405, 132023, 141705, 159795, 166897, 188203, 396069, 500691, 564609, 660115, 834485, 941015, 1188207, 1502073, 1693827, 1980345, 2503455, 2823045, 5941035, 7510365, 8469135, 8845541, 26536623, 44227705, 79609869, 132683115, 398049345]

約数ペア:

[(1, 398049345), (3, 132683115), (5, 79609869), (9, 44227705), (15, 26536623), (45, 8845541), (47, 8469135), (53, 7510365), (67, 5941035), (141, 2823045), (159, 2503455), (201, 1980345), (235, 1693827), (265, 1502073), (335, 1188207), (423, 941015), (477, 834485), (603, 660115), (705, 564609), (795, 500691), (1005, 396069), (2115, 188203), (2385, 166897), (2491, 159795), (2809, 141705), (3015, 132023), (3149, 126405), (3551, 112095), (7473, 53265), (8427, 47235), (9447, 42135), (10653, 37365), (12455, 31959), (14045, 28341), (15745, 25281), (17755, 22419)]