2402379

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:261

約数の個数: 40

約数和(自身を含む): 4336640

約数和(自身を除く): 1934261

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 223, 399, 513, 567, 669, 1197, 1539, 1561, 2007, 3591, 4237, 4683, 6021, 10773, 12711, 14049, 18063, 29659, 38133, 42147, 88977, 114399, 126441, 266931, 343197, 800793, 2402379]

約数ペア:

[(1, 2402379), (3, 800793), (7, 343197), (9, 266931), (19, 126441), (21, 114399), (27, 88977), (57, 42147), (63, 38133), (81, 29659), (133, 18063), (171, 14049), (189, 12711), (223, 10773), (399, 6021), (513, 4683), (567, 4237), (669, 3591), (1197, 2007), (1539, 1561)]