279976419

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1669}}^1$

素因数の和:1809

約数の個数: 40

約数和(自身を含む): 444554000

約数和(自身を除く): 164577581

約数列:

[1, 3, 9, 19, 27, 57, 81, 109, 171, 327, 513, 981, 1539, 1669, 2071, 2943, 5007, 6213, 8829, 15021, 18639, 31711, 45063, 55917, 95133, 135189, 167751, 181921, 285399, 545763, 856197, 1637289, 2568591, 3456499, 4911867, 10369497, 14735601, 31108491, 93325473, 279976419]

約数ペア:

[(1, 279976419), (3, 93325473), (9, 31108491), (19, 14735601), (27, 10369497), (57, 4911867), (81, 3456499), (109, 2568591), (171, 1637289), (327, 856197), (513, 545763), (981, 285399), (1539, 181921), (1669, 167751), (2071, 135189), (2943, 95133), (5007, 55917), (6213, 45063), (8829, 31711), (15021, 18639)]