721602

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 1935360

約数和(自身を除く): 1213758

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 83, 126, 138, 161, 166, 189, 207, 249, 322, 378, 414, 483, 498, 581, 621, 747, 966, 1162, 1242, 1449, 1494, 1743, 1909, 2241, 2898, 3486, 3818, 4347, 4482, 5229, 5727, 8694, 10458, 11454, 13363, 15687, 17181, 26726, 31374, 34362, 40089, 51543, 80178, 103086, 120267, 240534, 360801, 721602]

約数ペア:

[(1, 721602), (2, 360801), (3, 240534), (6, 120267), (7, 103086), (9, 80178), (14, 51543), (18, 40089), (21, 34362), (23, 31374), (27, 26726), (42, 17181), (46, 15687), (54, 13363), (63, 11454), (69, 10458), (83, 8694), (126, 5727), (138, 5229), (161, 4482), (166, 4347), (189, 3818), (207, 3486), (249, 2898), (322, 2241), (378, 1909), (414, 1743), (483, 1494), (498, 1449), (581, 1242), (621, 1162), (747, 966)]