1361450643

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{131}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 2277063360

約数和(自身を除く): 915612717

約数列:

[1, 3, 7, 19, 21, 49, 57, 61, 131, 133, 147, 183, 393, 399, 427, 917, 931, 1159, 1281, 2489, 2751, 2793, 2989, 3477, 3721, 6419, 7467, 7991, 8113, 8967, 11163, 17423, 19257, 23973, 24339, 26047, 52269, 55937, 56791, 70699, 78141, 121961, 151829, 167811, 170373, 182329, 212097, 365883, 391559, 455487, 487451, 494893, 546987, 1062803, 1174677, 1462353, 1484679, 3188409, 3412157, 3464251, 7439621, 9261569, 10236471, 10392753, 22318863, 23885099, 27784707, 64830983, 71655297, 194492949, 453816881, 1361450643]

約数ペア:

[(1, 1361450643), (3, 453816881), (7, 194492949), (19, 71655297), (21, 64830983), (49, 27784707), (57, 23885099), (61, 22318863), (131, 10392753), (133, 10236471), (147, 9261569), (183, 7439621), (393, 3464251), (399, 3412157), (427, 3188409), (917, 1484679), (931, 1462353), (1159, 1174677), (1281, 1062803), (2489, 546987), (2751, 494893), (2793, 487451), (2989, 455487), (3477, 391559), (3721, 365883), (6419, 212097), (7467, 182329), (7991, 170373), (8113, 167811), (8967, 151829), (11163, 121961), (17423, 78141), (19257, 70699), (23973, 56791), (24339, 55937), (26047, 52269)]