257959215

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1163}}^1$

素因数の和:1261

約数の個数: 64

約数和(自身を含む): 482734080

約数和(自身を除く): 224774865

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 53, 93, 135, 155, 159, 265, 279, 465, 477, 795, 837, 1163, 1395, 1431, 1643, 2385, 3489, 4185, 4929, 5815, 7155, 8215, 10467, 14787, 17445, 24645, 31401, 36053, 44361, 52335, 61639, 73935, 108159, 157005, 180265, 184917, 221805, 308195, 324477, 540795, 554751, 924585, 973431, 1622385, 1664253, 1910809, 2773755, 4867155, 5732427, 8321265, 9554045, 17197281, 28662135, 51591843, 85986405, 257959215]

約数ペア:

[(1, 257959215), (3, 85986405), (5, 51591843), (9, 28662135), (15, 17197281), (27, 9554045), (31, 8321265), (45, 5732427), (53, 4867155), (93, 2773755), (135, 1910809), (155, 1664253), (159, 1622385), (265, 973431), (279, 924585), (465, 554751), (477, 540795), (795, 324477), (837, 308195), (1163, 221805), (1395, 184917), (1431, 180265), (1643, 157005), (2385, 108159), (3489, 73935), (4185, 61639), (4929, 52335), (5815, 44361), (7155, 36053), (8215, 31401), (10467, 24645), (14787, 17445)]