251012619

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:209

約数の個数: 96

約数和(自身を含む): 449100288

約数和(自身を除く): 198087669

約数列:

[1, 3, 9, 11, 13, 33, 39, 41, 67, 71, 99, 117, 123, 143, 201, 213, 369, 429, 451, 533, 603, 639, 737, 781, 871, 923, 1287, 1353, 1599, 2211, 2343, 2613, 2747, 2769, 2911, 4059, 4757, 4797, 5863, 6633, 7029, 7839, 8241, 8307, 8733, 9581, 10153, 14271, 17589, 24723, 26199, 28743, 30217, 30459, 32021, 35711, 37843, 42813, 52327, 52767, 61841, 86229, 90651, 91377, 96063, 107133, 113529, 156981, 185523, 195037, 271953, 288189, 321399, 340587, 392821, 416273, 470943, 556569, 585111, 680251, 1178463, 1248819, 1755333, 2040753, 2145407, 2535481, 3535389, 3746457, 6122259, 6436221, 7606443, 19308663, 22819329, 27890291, 83670873, 251012619]

約数ペア:

[(1, 251012619), (3, 83670873), (9, 27890291), (11, 22819329), (13, 19308663), (33, 7606443), (39, 6436221), (41, 6122259), (67, 3746457), (71, 3535389), (99, 2535481), (117, 2145407), (123, 2040753), (143, 1755333), (201, 1248819), (213, 1178463), (369, 680251), (429, 585111), (451, 556569), (533, 470943), (603, 416273), (639, 392821), (737, 340587), (781, 321399), (871, 288189), (923, 271953), (1287, 195037), (1353, 185523), (1599, 156981), (2211, 113529), (2343, 107133), (2613, 96063), (2747, 91377), (2769, 90651), (2911, 86229), (4059, 61841), (4757, 52767), (4797, 52327), (5863, 42813), (6633, 37843), (7029, 35711), (7839, 32021), (8241, 30459), (8307, 30217), (8733, 28743), (9581, 26199), (10153, 24723), (14271, 17589)]