231628005

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{81703}}^1$

素因数の和:81727

約数の個数: 40

約数和(自身を含む): 474536832

約数和(自身を除く): 242908827

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 81703, 245109, 408515, 571921, 735327, 1225545, 1715763, 2205981, 2859605, 3676635, 5147289, 6617943, 8578815, 11029905, 15441867, 25736445, 33089715, 46325601, 77209335, 231628005]

約数ペア:

[(1, 231628005), (3, 77209335), (5, 46325601), (7, 33089715), (9, 25736445), (15, 15441867), (21, 11029905), (27, 8578815), (35, 6617943), (45, 5147289), (63, 3676635), (81, 2859605), (105, 2205981), (135, 1715763), (189, 1225545), (315, 735327), (405, 571921), (567, 408515), (945, 245109), (2835, 81703)]