31131954

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{751}}^1$

素因数の和:820

約数の個数: 72

約数和(自身を含む): 80241408

約数和(自身を除く): 49109454

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 49, 63, 94, 98, 126, 141, 147, 282, 294, 329, 423, 441, 658, 751, 846, 882, 987, 1502, 1974, 2253, 2303, 2961, 4506, 4606, 5257, 5922, 6759, 6909, 10514, 13518, 13818, 15771, 20727, 31542, 35297, 36799, 41454, 47313, 70594, 73598, 94626, 105891, 110397, 211782, 220794, 247079, 317673, 331191, 494158, 635346, 662382, 741237, 1482474, 1729553, 2223711, 3459106, 4447422, 5188659, 10377318, 15565977, 31131954]

約数ペア:

[(1, 31131954), (2, 15565977), (3, 10377318), (6, 5188659), (7, 4447422), (9, 3459106), (14, 2223711), (18, 1729553), (21, 1482474), (42, 741237), (47, 662382), (49, 635346), (63, 494158), (94, 331191), (98, 317673), (126, 247079), (141, 220794), (147, 211782), (282, 110397), (294, 105891), (329, 94626), (423, 73598), (441, 70594), (658, 47313), (751, 41454), (846, 36799), (882, 35297), (987, 31542), (1502, 20727), (1974, 15771), (2253, 13818), (2303, 13518), (2961, 10514), (4506, 6909), (4606, 6759), (5257, 5922)]