11978421

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 21772800

約数和(自身を除く): 9794379

約数列:

[1, 3, 7, 13, 17, 21, 29, 39, 51, 87, 89, 91, 119, 203, 221, 267, 273, 357, 377, 493, 609, 623, 663, 1131, 1157, 1479, 1513, 1547, 1869, 2581, 2639, 3451, 3471, 4539, 4641, 6409, 7743, 7917, 8099, 10353, 10591, 18067, 19227, 19669, 24297, 31773, 33553, 43877, 44863, 54201, 59007, 100659, 131631, 134589, 137683, 234871, 307139, 413049, 570401, 704613, 921417, 1711203, 3992807, 11978421]

約数ペア:

[(1, 11978421), (3, 3992807), (7, 1711203), (13, 921417), (17, 704613), (21, 570401), (29, 413049), (39, 307139), (51, 234871), (87, 137683), (89, 134589), (91, 131631), (119, 100659), (203, 59007), (221, 54201), (267, 44863), (273, 43877), (357, 33553), (377, 31773), (493, 24297), (609, 19669), (623, 19227), (663, 18067), (1131, 10591), (1157, 10353), (1479, 8099), (1513, 7917), (1547, 7743), (1869, 6409), (2581, 4641), (2639, 4539), (3451, 3471)]