201715899

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 348364800

約数和(自身を除く): 146648901

約数列:

[1, 3, 7, 11, 21, 33, 49, 71, 77, 147, 213, 231, 251, 343, 497, 539, 753, 781, 1029, 1491, 1617, 1757, 2343, 2761, 3479, 3773, 5271, 5467, 8283, 10437, 11319, 12299, 16401, 17821, 19327, 24353, 36897, 38269, 53463, 57981, 73059, 86093, 114807, 124747, 135289, 196031, 258279, 267883, 374241, 405867, 588093, 803649, 873229, 947023, 1372217, 2619687, 2841069, 4116651, 6112603, 9605519, 18337809, 28816557, 67238633, 201715899]

約数ペア:

[(1, 201715899), (3, 67238633), (7, 28816557), (11, 18337809), (21, 9605519), (33, 6112603), (49, 4116651), (71, 2841069), (77, 2619687), (147, 1372217), (213, 947023), (231, 873229), (251, 803649), (343, 588093), (497, 405867), (539, 374241), (753, 267883), (781, 258279), (1029, 196031), (1491, 135289), (1617, 124747), (1757, 114807), (2343, 86093), (2761, 73059), (3479, 57981), (3773, 53463), (5271, 38269), (5467, 36897), (8283, 24353), (10437, 19327), (11319, 17821), (12299, 16401)]