28303011

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 48117888

約数和(自身を除く): 19814877

約数列:

[1, 3, 9, 11, 17, 33, 51, 67, 99, 153, 187, 201, 251, 561, 603, 737, 753, 1139, 1683, 2211, 2259, 2761, 3417, 4267, 6633, 8283, 10251, 12529, 12801, 16817, 24849, 37587, 38403, 46937, 50451, 112761, 140811, 151353, 184987, 285889, 422433, 554961, 857667, 1664883, 2573001, 3144779, 9434337, 28303011]

約数ペア:

[(1, 28303011), (3, 9434337), (9, 3144779), (11, 2573001), (17, 1664883), (33, 857667), (51, 554961), (67, 422433), (99, 285889), (153, 184987), (187, 151353), (201, 140811), (251, 112761), (561, 50451), (603, 46937), (737, 38403), (753, 37587), (1139, 24849), (1683, 16817), (2211, 12801), (2259, 12529), (2761, 10251), (3417, 8283), (4267, 6633)]