20171723175

素因数分解:

$3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{13799}}^1$

素因数の和:13977

約数の個数: 72

約数和(自身を含む): 37038924000

約数和(自身を除く): 16867200825

約数列:

[1, 3, 5, 9, 15, 25, 45, 73, 75, 89, 219, 225, 267, 365, 445, 657, 801, 1095, 1335, 1825, 2225, 3285, 4005, 5475, 6497, 6675, 13799, 16425, 19491, 20025, 32485, 41397, 58473, 68995, 97455, 124191, 162425, 206985, 292365, 344975, 487275, 620955, 1007327, 1034925, 1228111, 1461825, 3021981, 3104775, 3684333, 5036635, 6140555, 9065943, 11052999, 15109905, 18421665, 25183175, 30702775, 45329715, 55264995, 75549525, 89652103, 92108325, 226648575, 268956309, 276324975, 448260515, 806868927, 1344781545, 2241302575, 4034344635, 6723907725, 20171723175]

約数ペア:

[(1, 20171723175), (3, 6723907725), (5, 4034344635), (9, 2241302575), (15, 1344781545), (25, 806868927), (45, 448260515), (73, 276324975), (75, 268956309), (89, 226648575), (219, 92108325), (225, 89652103), (267, 75549525), (365, 55264995), (445, 45329715), (657, 30702775), (801, 25183175), (1095, 18421665), (1335, 15109905), (1825, 11052999), (2225, 9065943), (3285, 6140555), (4005, 5036635), (5475, 3684333), (6497, 3104775), (6675, 3021981), (13799, 1461825), (16425, 1228111), (19491, 1034925), (20025, 1007327), (32485, 620955), (41397, 487275), (58473, 344975), (68995, 292365), (97455, 206985), (124191, 162425)]