6987123

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 12186720

約数和(自身を除く): 5199597

約数列:

[1, 3, 9, 11, 13, 33, 39, 61, 89, 99, 117, 143, 183, 267, 429, 549, 671, 793, 801, 979, 1157, 1287, 2013, 2379, 2937, 3471, 5429, 6039, 7137, 8723, 8811, 10413, 12727, 16287, 26169, 38181, 48861, 59719, 70577, 78507, 114543, 179157, 211731, 537471, 635193, 776347, 2329041, 6987123]

約数ペア:

[(1, 6987123), (3, 2329041), (9, 776347), (11, 635193), (13, 537471), (33, 211731), (39, 179157), (61, 114543), (89, 78507), (99, 70577), (117, 59719), (143, 48861), (183, 38181), (267, 26169), (429, 16287), (549, 12727), (671, 10413), (793, 8811), (801, 8723), (979, 7137), (1157, 6039), (1287, 5429), (2013, 3471), (2379, 2937)]