16470909

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^3\times {\mathrm{17}}^1$

素因数の和:76

約数の個数: 72

約数和(自身を含む): 31744440

約数和(自身を除く): 15273531

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 49, 51, 63, 91, 117, 119, 147, 153, 169, 221, 273, 357, 441, 507, 637, 663, 819, 833, 1071, 1183, 1521, 1547, 1911, 1989, 2197, 2499, 2873, 3549, 4641, 5733, 6591, 7497, 8281, 8619, 10647, 10829, 13923, 15379, 19773, 20111, 24843, 25857, 32487, 37349, 46137, 60333, 74529, 97461, 107653, 112047, 138411, 140777, 180999, 261443, 322959, 336141, 422331, 784329, 968877, 1266993, 1830101, 2352987, 5490303, 16470909]

約数ペア:

[(1, 16470909), (3, 5490303), (7, 2352987), (9, 1830101), (13, 1266993), (17, 968877), (21, 784329), (39, 422331), (49, 336141), (51, 322959), (63, 261443), (91, 180999), (117, 140777), (119, 138411), (147, 112047), (153, 107653), (169, 97461), (221, 74529), (273, 60333), (357, 46137), (441, 37349), (507, 32487), (637, 25857), (663, 24843), (819, 20111), (833, 19773), (1071, 15379), (1183, 13923), (1521, 10829), (1547, 10647), (1911, 8619), (1989, 8281), (2197, 7497), (2499, 6591), (2873, 5733), (3549, 4641)]