65191821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:565

約数の個数: 32

約数和(自身を含む): 96940800

約数和(自身を除く): 31748979

約数列:

[1, 3, 17, 23, 51, 69, 149, 373, 391, 447, 1119, 1173, 2533, 3427, 6341, 7599, 8579, 10281, 19023, 25737, 55577, 58259, 145843, 166731, 174777, 437529, 944809, 1278271, 2834427, 3834813, 21730607, 65191821]

約数ペア:

[(1, 65191821), (3, 21730607), (17, 3834813), (23, 2834427), (51, 1278271), (69, 944809), (149, 437529), (373, 174777), (391, 166731), (447, 145843), (1119, 58259), (1173, 55577), (2533, 25737), (3427, 19023), (6341, 10281), (7599, 8579)]