17220357

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{251}}^1$

素因数の和:292

約数の個数: 60

約数和(自身を含む): 32443488

約数和(自身を除く): 15223131

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 121, 189, 231, 251, 297, 363, 567, 693, 753, 847, 891, 1089, 1757, 2079, 2259, 2541, 2761, 3267, 5271, 6237, 6777, 7623, 8283, 9801, 15813, 19327, 20331, 22869, 24849, 30371, 47439, 57981, 68607, 74547, 91113, 142317, 173943, 212597, 223641, 273339, 521829, 637791, 820017, 1565487, 1913373, 2460051, 5740119, 17220357]

約数ペア:

[(1, 17220357), (3, 5740119), (7, 2460051), (9, 1913373), (11, 1565487), (21, 820017), (27, 637791), (33, 521829), (63, 273339), (77, 223641), (81, 212597), (99, 173943), (121, 142317), (189, 91113), (231, 74547), (251, 68607), (297, 57981), (363, 47439), (567, 30371), (693, 24849), (753, 22869), (847, 20331), (891, 19327), (1089, 15813), (1757, 9801), (2079, 8283), (2259, 7623), (2541, 6777), (2761, 6237), (3267, 5271)]