81017118

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{16487}}^1$

素因数の和:16518

約数の個数: 64

約数和(自身を含む): 221598720

約数和(自身を除く): 140581602

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4914, 16487, 32974, 49461, 98922, 115409, 148383, 214331, 230818, 296766, 346227, 428662, 445149, 642993, 692454, 890298, 1038681, 1285986, 1500317, 1928979, 2077362, 3000634, 3116043, 3857958, 4500951, 5786937, 6232086, 9001902, 11573874, 13502853, 27005706, 40508559, 81017118]

約数ペア:

[(1, 81017118), (2, 40508559), (3, 27005706), (6, 13502853), (7, 11573874), (9, 9001902), (13, 6232086), (14, 5786937), (18, 4500951), (21, 3857958), (26, 3116043), (27, 3000634), (39, 2077362), (42, 1928979), (54, 1500317), (63, 1285986), (78, 1038681), (91, 890298), (117, 692454), (126, 642993), (182, 445149), (189, 428662), (234, 346227), (273, 296766), (351, 230818), (378, 214331), (546, 148383), (702, 115409), (819, 98922), (1638, 49461), (2457, 32974), (4914, 16487)]