17899947

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:305

約数の個数: 40

約数和(自身を含む): 29272320

約数和(自身を除く): 11372373

約数列:

[1, 3, 9, 13, 27, 39, 81, 89, 117, 191, 267, 351, 573, 801, 1053, 1157, 1719, 2403, 2483, 3471, 5157, 7209, 7449, 10413, 15471, 16999, 22347, 31239, 50997, 67041, 93717, 152991, 201123, 220987, 458973, 662961, 1376919, 1988883, 5966649, 17899947]

約数ペア:

[(1, 17899947), (3, 5966649), (9, 1988883), (13, 1376919), (27, 662961), (39, 458973), (81, 220987), (89, 201123), (117, 152991), (191, 93717), (267, 67041), (351, 50997), (573, 31239), (801, 22347), (1053, 16999), (1157, 15471), (1719, 10413), (2403, 7449), (2483, 7209), (3471, 5157)]