251137492725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1325089}}^1$

素因数の和:1325147

約数の個数: 72

約数和(自身を含む): 500820415680

約数和(自身を除く): 249682922955

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 361, 399, 475, 525, 665, 1083, 1425, 1805, 1995, 2527, 3325, 5415, 7581, 9025, 9975, 12635, 27075, 37905, 63175, 189525, 1325089, 3975267, 6625445, 9275623, 19876335, 25176691, 27826869, 33127225, 46378115, 75530073, 99381675, 125883455, 139134345, 176236837, 231890575, 377650365, 478357129, 528710511, 629417275, 695671725, 881184185, 1435071387, 1888251825, 2391785645, 2643552555, 3348499903, 4405920925, 7175356935, 10045499709, 11958928225, 13217762775, 16742499515, 35876784675, 50227498545, 83712497575, 251137492725]

約数ペア:

[(1, 251137492725), (3, 83712497575), (5, 50227498545), (7, 35876784675), (15, 16742499515), (19, 13217762775), (21, 11958928225), (25, 10045499709), (35, 7175356935), (57, 4405920925), (75, 3348499903), (95, 2643552555), (105, 2391785645), (133, 1888251825), (175, 1435071387), (285, 881184185), (361, 695671725), (399, 629417275), (475, 528710511), (525, 478357129), (665, 377650365), (1083, 231890575), (1425, 176236837), (1805, 139134345), (1995, 125883455), (2527, 99381675), (3325, 75530073), (5415, 46378115), (7581, 33127225), (9025, 27826869), (9975, 25176691), (12635, 19876335), (27075, 9275623), (37905, 6625445), (63175, 3975267), (189525, 1325089)]