81213804

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{11113}}^1$

素因数の和:11159

約数の個数: 72

約数和(自身を含む): 242729760

約数和(自身を除く): 161515956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 3654, 7308, 11113, 22226, 33339, 44452, 66678, 77791, 100017, 133356, 155582, 200034, 233373, 311164, 322277, 400068, 466746, 644554, 700119, 933492, 966831, 1289108, 1400238, 1933662, 2255939, 2800476, 2900493, 3867324, 4511878, 5800986, 6767817, 9023756, 11601972, 13535634, 20303451, 27071268, 40606902, 81213804]

約数ペア:

[(1, 81213804), (2, 40606902), (3, 27071268), (4, 20303451), (6, 13535634), (7, 11601972), (9, 9023756), (12, 6767817), (14, 5800986), (18, 4511878), (21, 3867324), (28, 2900493), (29, 2800476), (36, 2255939), (42, 1933662), (58, 1400238), (63, 1289108), (84, 966831), (87, 933492), (116, 700119), (126, 644554), (174, 466746), (203, 400068), (252, 322277), (261, 311164), (348, 233373), (406, 200034), (522, 155582), (609, 133356), (812, 100017), (1044, 77791), (1218, 66678), (1827, 44452), (2436, 33339), (3654, 22226), (7308, 11113)]