258708333

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{3877}}^1$

素因数の和:3981

約数の個数: 32

約数和(自身を含む): 390902400

約数和(自身を除く): 132194067

約数列:

[1, 3, 13, 29, 39, 59, 87, 177, 377, 767, 1131, 1711, 2301, 3877, 5133, 11631, 22243, 50401, 66729, 112433, 151203, 228743, 337299, 686229, 1461629, 2973659, 4384887, 6633547, 8920977, 19900641, 86236111, 258708333]

約数ペア:

[(1, 258708333), (3, 86236111), (13, 19900641), (29, 8920977), (39, 6633547), (59, 4384887), (87, 2973659), (177, 1461629), (377, 686229), (767, 337299), (1131, 228743), (1711, 151203), (2301, 112433), (3877, 66729), (5133, 50401), (11631, 22243)]