16957647

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 30965760

約数和(自身を除く): 14008113

約数列:

[1, 3, 7, 9, 21, 23, 27, 47, 63, 69, 83, 141, 161, 189, 207, 249, 329, 423, 483, 581, 621, 747, 987, 1081, 1269, 1449, 1743, 1909, 2241, 2961, 3243, 3901, 4347, 5229, 5727, 7567, 8883, 9729, 11703, 13363, 15687, 17181, 22701, 27307, 29187, 35109, 40089, 51543, 68103, 81921, 89723, 105327, 120267, 204309, 245763, 269169, 360801, 628061, 737289, 807507, 1884183, 2422521, 5652549, 16957647]

約数ペア:

[(1, 16957647), (3, 5652549), (7, 2422521), (9, 1884183), (21, 807507), (23, 737289), (27, 628061), (47, 360801), (63, 269169), (69, 245763), (83, 204309), (141, 120267), (161, 105327), (189, 89723), (207, 81921), (249, 68103), (329, 51543), (423, 40089), (483, 35109), (581, 29187), (621, 27307), (747, 22701), (987, 17181), (1081, 15687), (1269, 13363), (1449, 11703), (1743, 9729), (1909, 8883), (2241, 7567), (2961, 5727), (3243, 5229), (3901, 4347)]