39787839

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 73768032

約数和(自身を除く): 33980193

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 63, 91, 101, 111, 117, 169, 259, 273, 303, 333, 481, 507, 707, 777, 819, 909, 1183, 1313, 1443, 1521, 2121, 2331, 3367, 3549, 3737, 3939, 4329, 6253, 6363, 9191, 10101, 10647, 11211, 11817, 17069, 18759, 26159, 27573, 30303, 33633, 43771, 48581, 51207, 56277, 78477, 82719, 119483, 131313, 145743, 153621, 235431, 340067, 358449, 393939, 437229, 631553, 1020201, 1075347, 1894659, 3060603, 4420871, 5683977, 13262613, 39787839]

約数ペア:

[(1, 39787839), (3, 13262613), (7, 5683977), (9, 4420871), (13, 3060603), (21, 1894659), (37, 1075347), (39, 1020201), (63, 631553), (91, 437229), (101, 393939), (111, 358449), (117, 340067), (169, 235431), (259, 153621), (273, 145743), (303, 131313), (333, 119483), (481, 82719), (507, 78477), (707, 56277), (777, 51207), (819, 48581), (909, 43771), (1183, 33633), (1313, 30303), (1443, 27573), (1521, 26159), (2121, 18759), (2331, 17069), (3367, 11817), (3549, 11211), (3737, 10647), (3939, 10101), (4329, 9191), (6253, 6363)]