133721775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:681

約数の個数: 72

約数和(自身を含む): 264451824

約数和(自身を除く): 130730049

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 97, 99, 165, 225, 275, 291, 485, 495, 557, 825, 873, 1067, 1455, 1671, 2425, 2475, 2785, 3201, 4365, 5013, 5335, 6127, 7275, 8355, 9603, 13925, 16005, 18381, 21825, 25065, 26675, 30635, 41775, 48015, 54029, 55143, 80025, 91905, 125325, 153175, 162087, 240075, 270145, 275715, 459525, 486261, 594319, 810435, 1350725, 1378575, 1782957, 2431305, 2971595, 4052175, 5348871, 8914785, 12156525, 14857975, 26744355, 44573925, 133721775]

約数ペア:

[(1, 133721775), (3, 44573925), (5, 26744355), (9, 14857975), (11, 12156525), (15, 8914785), (25, 5348871), (33, 4052175), (45, 2971595), (55, 2431305), (75, 1782957), (97, 1378575), (99, 1350725), (165, 810435), (225, 594319), (275, 486261), (291, 459525), (485, 275715), (495, 270145), (557, 240075), (825, 162087), (873, 153175), (1067, 125325), (1455, 91905), (1671, 80025), (2425, 55143), (2475, 54029), (2785, 48015), (3201, 41775), (4365, 30635), (5013, 26675), (5335, 25065), (6127, 21825), (7275, 18381), (8355, 16005), (9603, 13925)]