81819612

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{15461}}^1$

素因数の和:15488

約数の個数: 72

約数和(自身を含む): 246773520

約数和(自身を除く): 164953908

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 5292, 15461, 30922, 46383, 61844, 92766, 108227, 139149, 185532, 216454, 278298, 324681, 417447, 432908, 556596, 649362, 757589, 834894, 974043, 1298724, 1515178, 1669788, 1948086, 2272767, 2922129, 3030356, 3896172, 4545534, 5844258, 6818301, 9091068, 11688516, 13636602, 20454903, 27273204, 40909806, 81819612]

約数ペア:

[(1, 81819612), (2, 40909806), (3, 27273204), (4, 20454903), (6, 13636602), (7, 11688516), (9, 9091068), (12, 6818301), (14, 5844258), (18, 4545534), (21, 3896172), (27, 3030356), (28, 2922129), (36, 2272767), (42, 1948086), (49, 1669788), (54, 1515178), (63, 1298724), (84, 974043), (98, 834894), (108, 757589), (126, 649362), (147, 556596), (189, 432908), (196, 417447), (252, 324681), (294, 278298), (378, 216454), (441, 185532), (588, 139149), (756, 108227), (882, 92766), (1323, 61844), (1764, 46383), (2646, 30922), (5292, 15461)]