80960691

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 137088000

約数和(自身を除く): 56127309

約数列:

[1, 3, 7, 19, 21, 41, 49, 57, 101, 123, 133, 147, 287, 303, 343, 399, 707, 779, 861, 931, 1029, 1919, 2009, 2121, 2337, 2793, 4141, 4949, 5453, 5757, 6027, 6517, 12423, 13433, 14063, 14847, 16359, 19551, 28987, 34643, 38171, 40299, 42189, 78679, 86961, 94031, 103929, 114513, 202909, 236037, 267197, 282093, 550753, 608727, 658217, 801591, 1420363, 1652259, 1974651, 3855271, 4261089, 11565813, 26986897, 80960691]

約数ペア:

[(1, 80960691), (3, 26986897), (7, 11565813), (19, 4261089), (21, 3855271), (41, 1974651), (49, 1652259), (57, 1420363), (101, 801591), (123, 658217), (133, 608727), (147, 550753), (287, 282093), (303, 267197), (343, 236037), (399, 202909), (707, 114513), (779, 103929), (861, 94031), (931, 86961), (1029, 78679), (1919, 42189), (2009, 40299), (2121, 38171), (2337, 34643), (2793, 28987), (4141, 19551), (4949, 16359), (5453, 14847), (5757, 14063), (6027, 13433), (6517, 12423)]