140972923

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 180028800

約数和(自身を除く): 39055877

約数列:

[1, 7, 13, 37, 91, 149, 259, 281, 481, 1043, 1937, 1967, 3367, 3653, 5513, 10397, 13559, 25571, 38591, 41869, 71669, 72779, 135161, 293083, 501683, 544297, 946127, 1549153, 3810079, 10844071, 20138989, 140972923]

約数ペア:

[(1, 140972923), (7, 20138989), (13, 10844071), (37, 3810079), (91, 1549153), (149, 946127), (259, 544297), (281, 501683), (481, 293083), (1043, 135161), (1937, 72779), (1967, 71669), (3367, 41869), (3653, 38591), (5513, 25571), (10397, 13559)]