68170977

素因数分解:

$3^7\times 7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:162

約数の個数: 64

約数和(自身を含む): 120389120

約数和(自身を除く): 52218143

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 73, 81, 183, 189, 219, 243, 427, 511, 549, 567, 657, 729, 1281, 1533, 1647, 1701, 1971, 2187, 3843, 4453, 4599, 4941, 5103, 5913, 11529, 13359, 13797, 14823, 15309, 17739, 31171, 34587, 40077, 41391, 44469, 53217, 93513, 103761, 120231, 124173, 133407, 159651, 280539, 311283, 360693, 372519, 841617, 933849, 1082079, 1117557, 2524851, 3246237, 7574553, 9738711, 22723659, 68170977]

約数ペア:

[(1, 68170977), (3, 22723659), (7, 9738711), (9, 7574553), (21, 3246237), (27, 2524851), (61, 1117557), (63, 1082079), (73, 933849), (81, 841617), (183, 372519), (189, 360693), (219, 311283), (243, 280539), (427, 159651), (511, 133407), (549, 124173), (567, 120231), (657, 103761), (729, 93513), (1281, 53217), (1533, 44469), (1647, 41391), (1701, 40077), (1971, 34587), (2187, 31171), (3843, 17739), (4453, 15309), (4599, 14823), (4941, 13797), (5103, 13359), (5913, 11529)]