38615505

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 69949440

約数和(自身を除く): 31333935

約数列:

[1, 3, 5, 15, 19, 23, 43, 57, 69, 95, 115, 129, 137, 215, 285, 345, 411, 437, 645, 685, 817, 989, 1311, 2055, 2185, 2451, 2603, 2967, 3151, 4085, 4945, 5891, 6555, 7809, 9453, 12255, 13015, 14835, 15755, 17673, 18791, 29455, 39045, 47265, 56373, 59869, 88365, 93955, 111929, 135493, 179607, 281865, 299345, 335787, 406479, 559645, 677465, 898035, 1678935, 2032395, 2574367, 7723101, 12871835, 38615505]

約数ペア:

[(1, 38615505), (3, 12871835), (5, 7723101), (15, 2574367), (19, 2032395), (23, 1678935), (43, 898035), (57, 677465), (69, 559645), (95, 406479), (115, 335787), (129, 299345), (137, 281865), (215, 179607), (285, 135493), (345, 111929), (411, 93955), (437, 88365), (645, 59869), (685, 56373), (817, 47265), (989, 39045), (1311, 29455), (2055, 18791), (2185, 17673), (2451, 15755), (2603, 14835), (2967, 13015), (3151, 12255), (4085, 9453), (4945, 7809), (5891, 6555)]