153121475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 218006880

約数和(自身を除く): 64885405

約数列:

[1, 5, 13, 19, 25, 65, 95, 137, 181, 247, 325, 475, 685, 905, 1235, 1781, 2353, 2603, 3425, 3439, 4525, 6175, 8905, 11765, 13015, 17195, 24797, 33839, 44525, 44707, 58825, 65075, 85975, 123985, 169195, 223535, 322361, 471143, 619925, 845975, 1117675, 1611805, 2355715, 6124859, 8059025, 11778575, 30624295, 153121475]

約数ペア:

[(1, 153121475), (5, 30624295), (13, 11778575), (19, 8059025), (25, 6124859), (65, 2355715), (95, 1611805), (137, 1117675), (181, 845975), (247, 619925), (325, 471143), (475, 322361), (685, 223535), (905, 169195), (1235, 123985), (1781, 85975), (2353, 65075), (2603, 58825), (3425, 44707), (3439, 44525), (4525, 33839), (6175, 24797), (8905, 17195), (11765, 13015)]