1289903559

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:600

約数の個数: 64

約数和(自身を含む): 2125992960

約数和(自身を除く): 836089401

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 181, 337, 371, 399, 543, 1007, 1011, 1113, 1267, 2359, 3021, 3439, 3801, 6403, 7049, 7077, 9593, 10317, 17861, 19209, 21147, 24073, 28779, 44821, 53583, 60997, 67151, 72219, 125027, 134463, 182267, 182991, 201453, 339359, 375081, 426979, 546801, 1018077, 1158943, 1275869, 1280937, 2375513, 3232841, 3476829, 3827607, 7126539, 8112601, 9698523, 22629887, 24337803, 61423979, 67889661, 184271937, 429967853, 1289903559]

約数ペア:

[(1, 1289903559), (3, 429967853), (7, 184271937), (19, 67889661), (21, 61423979), (53, 24337803), (57, 22629887), (133, 9698523), (159, 8112601), (181, 7126539), (337, 3827607), (371, 3476829), (399, 3232841), (543, 2375513), (1007, 1280937), (1011, 1275869), (1113, 1158943), (1267, 1018077), (2359, 546801), (3021, 426979), (3439, 375081), (3801, 339359), (6403, 201453), (7049, 182991), (7077, 182267), (9593, 134463), (10317, 125027), (17861, 72219), (19209, 67151), (21147, 60997), (24073, 53583), (28779, 44821)]