201015891

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{491}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 304646400

約数和(自身を除く): 103630509

約数列:

[1, 3, 9, 27, 59, 177, 257, 491, 531, 771, 1473, 1593, 2313, 4419, 6939, 13257, 15163, 28969, 45489, 86907, 126187, 136467, 260721, 378561, 409401, 782163, 1135683, 3407049, 7445033, 22335099, 67005297, 201015891]

約数ペア:

[(1, 201015891), (3, 67005297), (9, 22335099), (27, 7445033), (59, 3407049), (177, 1135683), (257, 782163), (491, 409401), (531, 378561), (771, 260721), (1473, 136467), (1593, 126187), (2313, 86907), (4419, 45489), (6939, 28969), (13257, 15163)]