978747

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 1720320

約数和(自身を除く): 741573

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 223, 231, 399, 627, 669, 1463, 1561, 2453, 4237, 4389, 4683, 7359, 12711, 17171, 29659, 46607, 51513, 88977, 139821, 326249, 978747]

約数ペア:

[(1, 978747), (3, 326249), (7, 139821), (11, 88977), (19, 51513), (21, 46607), (33, 29659), (57, 17171), (77, 12711), (133, 7359), (209, 4683), (223, 4389), (231, 4237), (399, 2453), (627, 1561), (669, 1463)]