61886025

素因数分解:

$3^5\times 5^2\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 117534144

約数和(自身を除く): 55648119

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 81, 135, 167, 183, 225, 243, 305, 405, 501, 549, 675, 835, 915, 1215, 1503, 1525, 1647, 2025, 2505, 2745, 4175, 4509, 4575, 4941, 6075, 7515, 8235, 10187, 12525, 13527, 13725, 14823, 22545, 24705, 30561, 37575, 40581, 41175, 50935, 67635, 74115, 91683, 112725, 123525, 152805, 202905, 254675, 275049, 338175, 370575, 458415, 764025, 825147, 1014525, 1375245, 2292075, 2475441, 4125735, 6876225, 12377205, 20628675, 61886025]

約数ペア:

[(1, 61886025), (3, 20628675), (5, 12377205), (9, 6876225), (15, 4125735), (25, 2475441), (27, 2292075), (45, 1375245), (61, 1014525), (75, 825147), (81, 764025), (135, 458415), (167, 370575), (183, 338175), (225, 275049), (243, 254675), (305, 202905), (405, 152805), (501, 123525), (549, 112725), (675, 91683), (835, 74115), (915, 67635), (1215, 50935), (1503, 41175), (1525, 40581), (1647, 37575), (2025, 30561), (2505, 24705), (2745, 22545), (4175, 14823), (4509, 13725), (4575, 13527), (4941, 12525), (6075, 10187), (7515, 8235)]