203249775

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 343335168

約数和(自身を除く): 140085393

約数列:

[1, 3, 5, 15, 25, 75, 131, 137, 151, 393, 411, 453, 655, 685, 755, 1965, 2055, 2265, 3275, 3425, 3775, 9825, 10275, 11325, 17947, 19781, 20687, 53841, 59343, 62061, 89735, 98905, 103435, 269205, 296715, 310305, 448675, 494525, 517175, 1346025, 1483575, 1551525, 2709997, 8129991, 13549985, 40649955, 67749925, 203249775]

約数ペア:

[(1, 203249775), (3, 67749925), (5, 40649955), (15, 13549985), (25, 8129991), (75, 2709997), (131, 1551525), (137, 1483575), (151, 1346025), (393, 517175), (411, 494525), (453, 448675), (655, 310305), (685, 296715), (755, 269205), (1965, 103435), (2055, 98905), (2265, 89735), (3275, 62061), (3425, 59343), (3775, 53841), (9825, 20687), (10275, 19781), (11325, 17947)]