87311601

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 146576640

約数和(自身を除く): 59265039

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 83, 111, 117, 243, 249, 333, 351, 481, 729, 747, 999, 1053, 1079, 1443, 2187, 2241, 2997, 3071, 3159, 3237, 4329, 6723, 8991, 9213, 9477, 9711, 12987, 20169, 26973, 27639, 28431, 29133, 38961, 39923, 60507, 80919, 82917, 87399, 116883, 119769, 181521, 248751, 262197, 350649, 359307, 746253, 786591, 1051947, 1077921, 2238759, 2359773, 3233763, 6716277, 9701289, 29103867, 87311601]

約数ペア:

[(1, 87311601), (3, 29103867), (9, 9701289), (13, 6716277), (27, 3233763), (37, 2359773), (39, 2238759), (81, 1077921), (83, 1051947), (111, 786591), (117, 746253), (243, 359307), (249, 350649), (333, 262197), (351, 248751), (481, 181521), (729, 119769), (747, 116883), (999, 87399), (1053, 82917), (1079, 80919), (1443, 60507), (2187, 39923), (2241, 38961), (2997, 29133), (3071, 28431), (3159, 27639), (3237, 26973), (4329, 20169), (6723, 12987), (8991, 9711), (9213, 9477)]