71621979

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2287}}^1$

素因数の和:2387

約数の個数: 32

約数和(自身を含む): 113777664

約数和(自身を除く): 42155685

約数列:

[1, 3, 11, 13, 33, 39, 73, 143, 219, 429, 803, 949, 2287, 2409, 2847, 6861, 10439, 25157, 29731, 31317, 75471, 89193, 166951, 327041, 500853, 981123, 1836461, 2170363, 5509383, 6511089, 23873993, 71621979]

約数ペア:

[(1, 71621979), (3, 23873993), (11, 6511089), (13, 5509383), (33, 2170363), (39, 1836461), (73, 981123), (143, 500853), (219, 327041), (429, 166951), (803, 89193), (949, 75471), (2287, 31317), (2409, 29731), (2847, 25157), (6861, 10439)]