123795315

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2441}}^1$

素因数の和:2489

約数の個数: 72

約数和(自身を含む): 260571168

約数和(自身を除く): 136775853

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 49, 63, 69, 105, 115, 147, 161, 207, 245, 315, 345, 441, 483, 735, 805, 1035, 1127, 1449, 2205, 2415, 2441, 3381, 5635, 7245, 7323, 10143, 12205, 16905, 17087, 21969, 36615, 50715, 51261, 56143, 85435, 109845, 119609, 153783, 168429, 256305, 280715, 358827, 393001, 505287, 598045, 768915, 842145, 1076481, 1179003, 1794135, 1965005, 2526435, 2751007, 3537009, 5382405, 5895015, 8253021, 13755035, 17685045, 24759063, 41265105, 123795315]

約数ペア:

[(1, 123795315), (3, 41265105), (5, 24759063), (7, 17685045), (9, 13755035), (15, 8253021), (21, 5895015), (23, 5382405), (35, 3537009), (45, 2751007), (49, 2526435), (63, 1965005), (69, 1794135), (105, 1179003), (115, 1076481), (147, 842145), (161, 768915), (207, 598045), (245, 505287), (315, 393001), (345, 358827), (441, 280715), (483, 256305), (735, 168429), (805, 153783), (1035, 119609), (1127, 109845), (1449, 85435), (2205, 56143), (2415, 51261), (2441, 50715), (3381, 36615), (5635, 21969), (7245, 17087), (7323, 16905), (10143, 12205)]