203445255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1277}}^1$

素因数の和:1360

約数の個数: 64

約数和(自身を含む): 377879040

約数和(自身を除く): 174433785

約数列:

[1, 3, 5, 13, 15, 19, 39, 43, 57, 65, 95, 129, 195, 215, 247, 285, 559, 645, 741, 817, 1235, 1277, 1677, 2451, 2795, 3705, 3831, 4085, 6385, 8385, 10621, 12255, 16601, 19155, 24263, 31863, 49803, 53105, 54911, 72789, 83005, 121315, 159315, 164733, 249015, 274555, 315419, 363945, 713843, 823665, 946257, 1043309, 1577095, 2141529, 3129927, 3569215, 4731285, 5216545, 10707645, 13563017, 15649635, 40689051, 67815085, 203445255]

約数ペア:

[(1, 203445255), (3, 67815085), (5, 40689051), (13, 15649635), (15, 13563017), (19, 10707645), (39, 5216545), (43, 4731285), (57, 3569215), (65, 3129927), (95, 2141529), (129, 1577095), (195, 1043309), (215, 946257), (247, 823665), (285, 713843), (559, 363945), (645, 315419), (741, 274555), (817, 249015), (1235, 164733), (1277, 159315), (1677, 121315), (2451, 83005), (2795, 72789), (3705, 54911), (3831, 53105), (4085, 49803), (6385, 31863), (8385, 24263), (10621, 19155), (12255, 16601)]