28305649323

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{172607}}^1$

素因数の和:172776

約数の個数: 48

約数和(自身を含む): 49545400320

約数和(自身を除く): 21239750997

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 137, 171, 399, 411, 959, 1197, 1233, 2603, 2877, 7809, 8631, 18221, 23427, 54663, 163989, 172607, 517821, 1208249, 1553463, 3279533, 3624747, 9838599, 10874241, 22956731, 23647159, 29515797, 68870193, 70941477, 165530113, 206610579, 212824431, 449296021, 496590339, 1347888063, 1489771017, 3145072147, 4043664189, 9435216441, 28305649323]

約数ペア:

[(1, 28305649323), (3, 9435216441), (7, 4043664189), (9, 3145072147), (19, 1489771017), (21, 1347888063), (57, 496590339), (63, 449296021), (133, 212824431), (137, 206610579), (171, 165530113), (399, 70941477), (411, 68870193), (959, 29515797), (1197, 23647159), (1233, 22956731), (2603, 10874241), (2877, 9838599), (7809, 3624747), (8631, 3279533), (18221, 1553463), (23427, 1208249), (54663, 517821), (163989, 172607)]