39428559

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 64445440

約数和(自身を除く): 25016881

約数列:

[1, 3, 9, 17, 27, 31, 51, 93, 153, 163, 279, 289, 459, 489, 527, 837, 867, 1467, 1581, 2601, 2771, 4401, 4743, 5053, 7803, 8313, 8959, 14229, 15159, 24939, 26877, 45477, 47107, 74817, 80631, 85901, 136431, 141321, 241893, 257703, 423963, 773109, 1271889, 1460317, 2319327, 4380951, 13142853, 39428559]

約数ペア:

[(1, 39428559), (3, 13142853), (9, 4380951), (17, 2319327), (27, 1460317), (31, 1271889), (51, 773109), (93, 423963), (153, 257703), (163, 241893), (279, 141321), (289, 136431), (459, 85901), (489, 80631), (527, 74817), (837, 47107), (867, 45477), (1467, 26877), (1581, 24939), (2601, 15159), (2771, 14229), (4401, 8959), (4743, 8313), (5053, 7803)]