28424799

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 20007585

約数列:

[1, 3, 9, 13, 17, 31, 39, 51, 93, 117, 153, 221, 279, 403, 461, 527, 663, 1209, 1383, 1581, 1989, 3627, 4149, 4743, 5993, 6851, 7837, 14291, 17979, 20553, 23511, 42873, 53937, 61659, 70533, 101881, 128619, 185783, 242947, 305643, 557349, 728841, 916929, 1672047, 2186523, 3158311, 9474933, 28424799]

約数ペア:

[(1, 28424799), (3, 9474933), (9, 3158311), (13, 2186523), (17, 1672047), (31, 916929), (39, 728841), (51, 557349), (93, 305643), (117, 242947), (153, 185783), (221, 128619), (279, 101881), (403, 70533), (461, 61659), (527, 53937), (663, 42873), (1209, 23511), (1383, 20553), (1581, 17979), (1989, 14291), (3627, 7837), (4149, 6851), (4743, 5993)]