28413315

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 58475520

約数和(自身を除く): 30062205

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 107, 135, 189, 281, 315, 321, 535, 749, 843, 945, 963, 1405, 1605, 1967, 2247, 2529, 2889, 3745, 4215, 4815, 5901, 6741, 7587, 9835, 11235, 12645, 14445, 17703, 20223, 29505, 30067, 33705, 37935, 53109, 88515, 90201, 101115, 150335, 210469, 265545, 270603, 451005, 631407, 811809, 1052345, 1353015, 1894221, 3157035, 4059045, 5682663, 9471105, 28413315]

約数ペア:

[(1, 28413315), (3, 9471105), (5, 5682663), (7, 4059045), (9, 3157035), (15, 1894221), (21, 1353015), (27, 1052345), (35, 811809), (45, 631407), (63, 451005), (105, 270603), (107, 265545), (135, 210469), (189, 150335), (281, 101115), (315, 90201), (321, 88515), (535, 53109), (749, 37935), (843, 33705), (945, 30067), (963, 29505), (1405, 20223), (1605, 17703), (1967, 14445), (2247, 12645), (2529, 11235), (2889, 9835), (3745, 7587), (4215, 6741), (4815, 5901)]