217471419

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{7109}}^1$

素因数の和:7232

約数の個数: 32

約数和(自身を含む): 354931200

約数和(自身を除く): 137459781

約数列:

[1, 3, 9, 11, 27, 33, 99, 103, 297, 309, 927, 1133, 2781, 3399, 7109, 10197, 21327, 30591, 63981, 78199, 191943, 234597, 703791, 732227, 2111373, 2196681, 6590043, 8054497, 19770129, 24163491, 72490473, 217471419]

約数ペア:

[(1, 217471419), (3, 72490473), (9, 24163491), (11, 19770129), (27, 8054497), (33, 6590043), (99, 2196681), (103, 2111373), (297, 732227), (309, 703791), (927, 234597), (1133, 191943), (2781, 78199), (3399, 63981), (7109, 30591), (10197, 21327)]