400728273

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{181243}}^1$

素因数の和:181324

約数の個数: 16

約数和(自身を含む): 591580416

約数和(自身を除く): 190852143

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 181243, 543729, 1993673, 5981019, 12143281, 36429843, 133576091, 400728273]

約数ペア:

[(1, 400728273), (3, 133576091), (11, 36429843), (33, 12143281), (67, 5981019), (201, 1993673), (737, 543729), (2211, 181243)]