245780521917

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1\times {\mathrm{734197}}^1$

素因数の和:735065

約数の個数: 32

約数和(自身を含む): 394704844800

約数和(自身を除く): 148924322883

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 839, 2517, 5873, 15941, 17619, 47823, 111587, 334761, 734197, 2202591, 5139379, 13949743, 15418137, 41849229, 97648201, 292944603, 615991283, 1847973849, 4311938981, 11703834377, 12935816943, 35111503131, 81926840639, 245780521917]

約数ペア:

[(1, 245780521917), (3, 81926840639), (7, 35111503131), (19, 12935816943), (21, 11703834377), (57, 4311938981), (133, 1847973849), (399, 615991283), (839, 292944603), (2517, 97648201), (5873, 41849229), (15941, 15418137), (17619, 13949743), (47823, 5139379), (111587, 2202591), (334761, 734197)]