51993447

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 77746176

約数和(自身を除く): 25752729

約数列:

[1, 3, 11, 33, 73, 113, 191, 219, 339, 573, 803, 1243, 2101, 2409, 3729, 6303, 8249, 13943, 21583, 24747, 41829, 64749, 90739, 153373, 237413, 272217, 460119, 712239, 1575559, 4726677, 17331149, 51993447]

約数ペア:

[(1, 51993447), (3, 17331149), (11, 4726677), (33, 1575559), (73, 712239), (113, 460119), (191, 272217), (219, 237413), (339, 153373), (573, 90739), (803, 64749), (1243, 41829), (2101, 24747), (2409, 21583), (3729, 13943), (6303, 8249)]