17189991

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 30983680

約数和(自身を除く): 13793689

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 139, 151, 273, 417, 453, 819, 973, 1057, 1251, 1359, 1807, 1963, 2919, 3171, 5421, 5889, 8757, 9513, 12649, 13741, 16263, 17667, 20989, 37947, 41223, 62967, 113841, 123669, 146923, 188901, 272857, 440769, 818571, 1322307, 1909999, 2455713, 5729997, 17189991]

約数ペア:

[(1, 17189991), (3, 5729997), (7, 2455713), (9, 1909999), (13, 1322307), (21, 818571), (39, 440769), (63, 272857), (91, 188901), (117, 146923), (139, 123669), (151, 113841), (273, 62967), (417, 41223), (453, 37947), (819, 20989), (973, 17667), (1057, 16263), (1251, 13741), (1359, 12649), (1807, 9513), (1963, 8757), (2919, 5889), (3171, 5421)]