81645354

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9391}}^1$

素因数の和:9432

約数の個数: 64

約数和(自身を含む): 216391680

約数和(自身を除く): 134746326

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 126, 138, 161, 189, 207, 322, 378, 414, 483, 621, 966, 1242, 1449, 2898, 4347, 8694, 9391, 18782, 28173, 56346, 65737, 84519, 131474, 169038, 197211, 215993, 253557, 394422, 431986, 507114, 591633, 647979, 1183266, 1295958, 1511951, 1774899, 1943937, 3023902, 3549798, 3887874, 4535853, 5831811, 9071706, 11663622, 13607559, 27215118, 40822677, 81645354]

約数ペア:

[(1, 81645354), (2, 40822677), (3, 27215118), (6, 13607559), (7, 11663622), (9, 9071706), (14, 5831811), (18, 4535853), (21, 3887874), (23, 3549798), (27, 3023902), (42, 1943937), (46, 1774899), (54, 1511951), (63, 1295958), (69, 1183266), (126, 647979), (138, 591633), (161, 507114), (189, 431986), (207, 394422), (322, 253557), (378, 215993), (414, 197211), (483, 169038), (621, 131474), (966, 84519), (1242, 65737), (1449, 56346), (2898, 28173), (4347, 18782), (8694, 9391)]