71690871

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 117210240

約数和(自身を除く): 45519369

約数列:

[1, 3, 7, 21, 29, 49, 67, 87, 147, 201, 203, 251, 469, 609, 753, 1407, 1421, 1757, 1943, 3283, 4263, 5271, 5829, 7279, 9849, 12299, 13601, 16817, 21837, 36897, 40803, 50451, 50953, 95207, 117719, 152859, 285621, 353157, 356671, 487693, 824033, 1070013, 1463079, 2472099, 3413851, 10241553, 23896957, 71690871]

約数ペア:

[(1, 71690871), (3, 23896957), (7, 10241553), (21, 3413851), (29, 2472099), (49, 1463079), (67, 1070013), (87, 824033), (147, 487693), (201, 356671), (203, 353157), (251, 285621), (469, 152859), (609, 117719), (753, 95207), (1407, 50953), (1421, 50451), (1757, 40803), (1943, 36897), (3283, 21837), (4263, 16817), (5271, 13601), (5829, 12299), (7279, 9849)]