81303537

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{4297}}^1$

素因数の和:4377

約数の個数: 32

約数和(自身を含む): 133684992

約数和(自身を除く): 52381455

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 901, 1113, 2703, 4297, 6307, 12891, 18921, 30079, 73049, 90237, 219147, 227741, 511343, 683223, 1534029, 1594187, 3871597, 4782561, 11614791, 27101179, 81303537]

約数ペア:

[(1, 81303537), (3, 27101179), (7, 11614791), (17, 4782561), (21, 3871597), (51, 1594187), (53, 1534029), (119, 683223), (159, 511343), (357, 227741), (371, 219147), (901, 90237), (1113, 73049), (2703, 30079), (4297, 18921), (6307, 12891)]