28981311

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 44126208

約数和(自身を除く): 15144897

約数列:

[1, 3, 17, 23, 31, 51, 69, 93, 391, 527, 713, 797, 1173, 1581, 2139, 2391, 12121, 13549, 18331, 24707, 36363, 40647, 54993, 74121, 311627, 420019, 568261, 934881, 1260057, 1704783, 9660437, 28981311]

約数ペア:

[(1, 28981311), (3, 9660437), (17, 1704783), (23, 1260057), (31, 934881), (51, 568261), (69, 420019), (93, 311627), (391, 74121), (527, 54993), (713, 40647), (797, 36363), (1173, 24707), (1581, 18331), (2139, 13549), (2391, 12121)]