28263213

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{4261}}^1$

素因数の和:4345

約数の個数: 24

約数和(自身を含む): 45211296

約数和(自身を除く): 16948083

約数列:

[1, 3, 9, 11, 33, 67, 99, 201, 603, 737, 2211, 4261, 6633, 12783, 38349, 46871, 140613, 285487, 421839, 856461, 2569383, 3140357, 9421071, 28263213]

約数ペア:

[(1, 28263213), (3, 9421071), (9, 3140357), (11, 2569383), (33, 856461), (67, 421839), (99, 285487), (201, 140613), (603, 46871), (737, 38349), (2211, 12783), (4261, 6633)]