1216564557

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:522

約数の個数: 64

約数和(自身を含む): 1912458240

約数和(自身を除く): 695893683

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 139, 221, 307, 417, 559, 663, 731, 921, 1677, 1807, 2193, 2363, 3991, 5219, 5421, 5977, 7089, 9503, 11973, 13201, 15657, 17931, 28509, 30719, 39603, 42673, 67847, 77701, 92157, 101609, 128019, 171613, 203541, 224417, 233103, 304827, 514839, 554749, 673251, 725441, 1320917, 1664247, 1834939, 2176323, 2917421, 3962751, 5504817, 8752263, 9430733, 23854207, 28292199, 31193963, 71562621, 93581889, 405521519, 1216564557]

約数ペア:

[(1, 1216564557), (3, 405521519), (13, 93581889), (17, 71562621), (39, 31193963), (43, 28292199), (51, 23854207), (129, 9430733), (139, 8752263), (221, 5504817), (307, 3962751), (417, 2917421), (559, 2176323), (663, 1834939), (731, 1664247), (921, 1320917), (1677, 725441), (1807, 673251), (2193, 554749), (2363, 514839), (3991, 304827), (5219, 233103), (5421, 224417), (5977, 203541), (7089, 171613), (9503, 128019), (11973, 101609), (13201, 92157), (15657, 77701), (17931, 67847), (28509, 42673), (30719, 39603)]